128011268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 294174720

約数和(自身を除く): 166163452

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 47, 74, 77, 94, 148, 154, 188, 239, 259, 308, 329, 407, 478, 517, 518, 658, 814, 956, 1034, 1036, 1316, 1628, 1673, 1739, 2068, 2629, 2849, 3346, 3478, 3619, 5258, 5698, 6692, 6956, 7238, 8843, 10516, 11233, 11396, 12173, 14476, 17686, 18403, 19129, 22466, 24346, 35372, 36806, 38258, 44932, 48692, 61901, 73612, 76516, 78631, 97273, 123563, 123802, 133903, 157262, 194546, 247126, 247604, 267806, 314524, 389092, 415621, 494252, 535612, 680911, 831242, 864941, 1361822, 1662484, 1729882, 2723644, 2909347, 3459764, 4571831, 5818694, 9143662, 11637388, 18287324, 32002817, 64005634, 128011268]

約数ペア:

[(1, 128011268), (2, 64005634), (4, 32002817), (7, 18287324), (11, 11637388), (14, 9143662), (22, 5818694), (28, 4571831), (37, 3459764), (44, 2909347), (47, 2723644), (74, 1729882), (77, 1662484), (94, 1361822), (148, 864941), (154, 831242), (188, 680911), (239, 535612), (259, 494252), (308, 415621), (329, 389092), (407, 314524), (478, 267806), (517, 247604), (518, 247126), (658, 194546), (814, 157262), (956, 133903), (1034, 123802), (1036, 123563), (1316, 97273), (1628, 78631), (1673, 76516), (1739, 73612), (2068, 61901), (2629, 48692), (2849, 44932), (3346, 38258), (3478, 36806), (3619, 35372), (5258, 24346), (5698, 22466), (6692, 19129), (6956, 18403), (7238, 17686), (8843, 14476), (10516, 12173), (11233, 11396)]