261055144

素因数分解:

$2^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{4861}}^1$

素因数の和:5018

約数の個数: 48

約数和(自身を含む): 573667380

約数和(自身を除く): 312612236

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 137, 196, 274, 392, 548, 959, 1096, 1918, 3836, 4861, 6713, 7672, 9722, 13426, 19444, 26852, 34027, 38888, 53704, 68054, 136108, 238189, 272216, 476378, 665957, 952756, 1331914, 1905512, 2663828, 4661699, 5327656, 9323398, 18646796, 32631893, 37293592, 65263786, 130527572, 261055144]

約数ペア:

[(1, 261055144), (2, 130527572), (4, 65263786), (7, 37293592), (8, 32631893), (14, 18646796), (28, 9323398), (49, 5327656), (56, 4661699), (98, 2663828), (137, 1905512), (196, 1331914), (274, 952756), (392, 665957), (548, 476378), (959, 272216), (1096, 238189), (1918, 136108), (3836, 68054), (4861, 53704), (6713, 38888), (7672, 34027), (9722, 26852), (13426, 19444)]