245878178

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 470400000

約数和(自身を除く): 224521822

約数列:

[1, 2, 7, 13, 14, 26, 49, 79, 91, 98, 158, 182, 343, 349, 553, 637, 686, 698, 1027, 1106, 1274, 2054, 2443, 3871, 4459, 4537, 4886, 7189, 7742, 8918, 9074, 14378, 17101, 27097, 27571, 31759, 34202, 50323, 54194, 55142, 63518, 100646, 119707, 192997, 222313, 239414, 352261, 358423, 385994, 444626, 704522, 716846, 1350979, 1556191, 2508961, 2701958, 3112382, 5017922, 9456853, 17562727, 18913706, 35125454, 122939089, 245878178]

約数ペア:

[(1, 245878178), (2, 122939089), (7, 35125454), (13, 18913706), (14, 17562727), (26, 9456853), (49, 5017922), (79, 3112382), (91, 2701958), (98, 2508961), (158, 1556191), (182, 1350979), (343, 716846), (349, 704522), (553, 444626), (637, 385994), (686, 358423), (698, 352261), (1027, 239414), (1106, 222313), (1274, 192997), (2054, 119707), (2443, 100646), (3871, 63518), (4459, 55142), (4537, 54194), (4886, 50323), (7189, 34202), (7742, 31759), (8918, 27571), (9074, 27097), (14378, 17101)]