641618676

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 1772184960

約数和(自身を除く): 1130566284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 114, 123, 137, 164, 167, 171, 228, 246, 274, 334, 342, 369, 411, 492, 501, 548, 668, 684, 738, 779, 822, 1002, 1233, 1476, 1503, 1558, 1644, 2004, 2337, 2466, 2603, 3006, 3116, 3173, 4674, 4932, 5206, 5617, 6012, 6346, 6847, 7011, 7809, 9348, 9519, 10412, 11234, 12692, 13694, 14022, 15618, 16851, 19038, 20541, 22468, 22879, 23427, 27388, 28044, 28557, 31236, 33702, 38076, 41082, 45758, 46854, 50553, 57114, 61623, 67404, 68637, 82164, 91516, 93708, 101106, 106723, 114228, 123246, 130093, 137274, 202212, 205911, 213446, 246492, 260186, 274548, 320169, 390279, 411822, 426892, 434701, 520372, 640338, 780558, 823644, 869402, 938039, 960507, 1170837, 1280676, 1304103, 1561116, 1738804, 1876078, 1921014, 2341674, 2608206, 2814117, 3752156, 3842028, 3912309, 4683348, 5216412, 5628234, 7824618, 8442351, 11256468, 15649236, 16884702, 17822741, 33769404, 35645482, 53468223, 71290964, 106936446, 160404669, 213872892, 320809338, 641618676]

約数ペア:

[(1, 641618676), (2, 320809338), (3, 213872892), (4, 160404669), (6, 106936446), (9, 71290964), (12, 53468223), (18, 35645482), (19, 33769404), (36, 17822741), (38, 16884702), (41, 15649236), (57, 11256468), (76, 8442351), (82, 7824618), (114, 5628234), (123, 5216412), (137, 4683348), (164, 3912309), (167, 3842028), (171, 3752156), (228, 2814117), (246, 2608206), (274, 2341674), (334, 1921014), (342, 1876078), (369, 1738804), (411, 1561116), (492, 1304103), (501, 1280676), (548, 1170837), (668, 960507), (684, 938039), (738, 869402), (779, 823644), (822, 780558), (1002, 640338), (1233, 520372), (1476, 434701), (1503, 426892), (1558, 411822), (1644, 390279), (2004, 320169), (2337, 274548), (2466, 260186), (2603, 246492), (3006, 213446), (3116, 205911), (3173, 202212), (4674, 137274), (4932, 130093), (5206, 123246), (5617, 114228), (6012, 106723), (6346, 101106), (6847, 93708), (7011, 91516), (7809, 82164), (9348, 68637), (9519, 67404), (10412, 61623), (11234, 57114), (12692, 50553), (13694, 46854), (14022, 45758), (15618, 41082), (16851, 38076), (19038, 33702), (20541, 31236), (22468, 28557), (22879, 28044), (23427, 27388)]