64872248

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 144460800

約数和(自身を除く): 79588552

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 131, 148, 239, 259, 262, 296, 478, 518, 524, 917, 956, 1036, 1048, 1673, 1834, 1912, 2072, 3346, 3668, 4847, 6692, 7336, 8843, 9694, 13384, 17686, 19388, 31309, 33929, 35372, 38776, 61901, 62618, 67858, 70744, 123802, 125236, 135716, 219163, 247604, 250472, 271432, 438326, 495208, 876652, 1158433, 1753304, 2316866, 4633732, 8109031, 9267464, 16218062, 32436124, 64872248]

約数ペア:

[(1, 64872248), (2, 32436124), (4, 16218062), (7, 9267464), (8, 8109031), (14, 4633732), (28, 2316866), (37, 1753304), (56, 1158433), (74, 876652), (131, 495208), (148, 438326), (239, 271432), (259, 250472), (262, 247604), (296, 219163), (478, 135716), (518, 125236), (524, 123802), (917, 70744), (956, 67858), (1036, 62618), (1048, 61901), (1673, 38776), (1834, 35372), (1912, 33929), (2072, 31309), (3346, 19388), (3668, 17686), (4847, 13384), (6692, 9694), (7336, 8843)]