278814588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:1011

約数の個数: 96

約数和(自身を含む): 745113600

約数和(自身を除く): 466299012

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 109, 114, 156, 218, 228, 247, 327, 436, 494, 654, 741, 863, 988, 1308, 1417, 1482, 1726, 2071, 2589, 2834, 2964, 3452, 4142, 4251, 5178, 5668, 6213, 8284, 8502, 10356, 11219, 12426, 16397, 17004, 22438, 24852, 26923, 32794, 33657, 44876, 49191, 53846, 65588, 67314, 80769, 94067, 98382, 107692, 134628, 161538, 188134, 196764, 213161, 282201, 323076, 376268, 426322, 564402, 639483, 852644, 1128804, 1222871, 1278966, 1787273, 2445742, 2557932, 3574546, 3668613, 4891484, 5361819, 7149092, 7337226, 10723638, 14674452, 21447276, 23234549, 46469098, 69703647, 92938196, 139407294, 278814588]

約数ペア:

[(1, 278814588), (2, 139407294), (3, 92938196), (4, 69703647), (6, 46469098), (12, 23234549), (13, 21447276), (19, 14674452), (26, 10723638), (38, 7337226), (39, 7149092), (52, 5361819), (57, 4891484), (76, 3668613), (78, 3574546), (109, 2557932), (114, 2445742), (156, 1787273), (218, 1278966), (228, 1222871), (247, 1128804), (327, 852644), (436, 639483), (494, 564402), (654, 426322), (741, 376268), (863, 323076), (988, 282201), (1308, 213161), (1417, 196764), (1482, 188134), (1726, 161538), (2071, 134628), (2589, 107692), (2834, 98382), (2964, 94067), (3452, 80769), (4142, 67314), (4251, 65588), (5178, 53846), (5668, 49191), (6213, 44876), (8284, 33657), (8502, 32794), (10356, 26923), (11219, 24852), (12426, 22438), (16397, 17004)]