128786028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 376879104

約数和(自身を除く): 248093076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 57, 62, 76, 84, 93, 114, 124, 133, 137, 186, 217, 228, 266, 274, 361, 372, 399, 411, 434, 532, 548, 589, 651, 722, 798, 822, 868, 959, 1083, 1178, 1302, 1444, 1596, 1644, 1767, 1918, 2166, 2356, 2527, 2603, 2604, 2877, 3534, 3836, 4123, 4247, 4332, 5054, 5206, 5754, 7068, 7581, 7809, 8246, 8494, 10108, 10412, 11191, 11508, 12369, 12741, 15162, 15618, 16492, 16988, 18221, 22382, 24738, 25482, 29729, 30324, 31236, 33573, 36442, 44764, 49457, 49476, 50964, 54663, 59458, 67146, 72884, 78337, 80693, 89187, 98914, 109326, 118916, 134292, 148371, 156674, 161386, 178374, 197828, 218652, 235011, 242079, 296742, 313348, 322772, 346199, 356748, 470022, 484158, 564851, 593484, 692398, 940044, 968316, 1038597, 1129702, 1384796, 1533167, 1694553, 2077194, 2259404, 3066334, 3389106, 4154388, 4599501, 6132668, 6778212, 9199002, 10732169, 18398004, 21464338, 32196507, 42928676, 64393014, 128786028]

約数ペア:

[(1, 128786028), (2, 64393014), (3, 42928676), (4, 32196507), (6, 21464338), (7, 18398004), (12, 10732169), (14, 9199002), (19, 6778212), (21, 6132668), (28, 4599501), (31, 4154388), (38, 3389106), (42, 3066334), (57, 2259404), (62, 2077194), (76, 1694553), (84, 1533167), (93, 1384796), (114, 1129702), (124, 1038597), (133, 968316), (137, 940044), (186, 692398), (217, 593484), (228, 564851), (266, 484158), (274, 470022), (361, 356748), (372, 346199), (399, 322772), (411, 313348), (434, 296742), (532, 242079), (548, 235011), (589, 218652), (651, 197828), (722, 178374), (798, 161386), (822, 156674), (868, 148371), (959, 134292), (1083, 118916), (1178, 109326), (1302, 98914), (1444, 89187), (1596, 80693), (1644, 78337), (1767, 72884), (1918, 67146), (2166, 59458), (2356, 54663), (2527, 50964), (2603, 49476), (2604, 49457), (2877, 44764), (3534, 36442), (3836, 33573), (4123, 31236), (4247, 30324), (4332, 29729), (5054, 25482), (5206, 24738), (5754, 22382), (7068, 18221), (7581, 16988), (7809, 16492), (8246, 15618), (8494, 15162), (10108, 12741), (10412, 12369), (11191, 11508)]