284780158

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 514926720

約数和(自身を除く): 230146562

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 109, 218, 221, 257, 299, 391, 442, 514, 598, 782, 1417, 1853, 2507, 2834, 3341, 3706, 4369, 5014, 5083, 5911, 6682, 8738, 10166, 11822, 24089, 28013, 32591, 42619, 48178, 56026, 56797, 65182, 76843, 85238, 100487, 113594, 153686, 200974, 364169, 476221, 554047, 644299, 728338, 952442, 1108094, 1288598, 1306331, 2612662, 6190873, 8375887, 10953083, 12381746, 16751774, 21906166, 142390079, 284780158]

約数ペア:

[(1, 284780158), (2, 142390079), (13, 21906166), (17, 16751774), (23, 12381746), (26, 10953083), (34, 8375887), (46, 6190873), (109, 2612662), (218, 1306331), (221, 1288598), (257, 1108094), (299, 952442), (391, 728338), (442, 644299), (514, 554047), (598, 476221), (782, 364169), (1417, 200974), (1853, 153686), (2507, 113594), (2834, 100487), (3341, 85238), (3706, 76843), (4369, 65182), (5014, 56797), (5083, 56026), (5911, 48178), (6682, 42619), (8738, 32591), (10166, 28013), (11822, 24089)]