398684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 889056

約数和(自身を除く): 490372

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 41, 44, 52, 68, 82, 143, 164, 187, 221, 286, 374, 442, 451, 533, 572, 697, 748, 884, 902, 1066, 1394, 1804, 2132, 2431, 2788, 4862, 5863, 7667, 9061, 9724, 11726, 15334, 18122, 23452, 30668, 36244, 99671, 199342, 398684]

約数ペア:

[(1, 398684), (2, 199342), (4, 99671), (11, 36244), (13, 30668), (17, 23452), (22, 18122), (26, 15334), (34, 11726), (41, 9724), (44, 9061), (52, 7667), (68, 5863), (82, 4862), (143, 2788), (164, 2431), (187, 2132), (221, 1804), (286, 1394), (374, 1066), (442, 902), (451, 884), (533, 748), (572, 697)]