991014830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1667}}^1$

素因数の和:1973

約数の個数: 64

約数和(自身を含む): 2042832960

約数和(自身を除く): 1051818130

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 269, 442, 538, 1105, 1345, 1667, 2210, 2690, 3334, 3497, 4573, 6994, 8335, 9146, 16670, 17485, 21671, 22865, 28339, 34970, 43342, 45730, 56678, 59449, 108355, 118898, 141695, 216710, 283390, 297245, 368407, 448423, 594490, 736814, 896846, 1842035, 2242115, 3684070, 4484230, 5829499, 7623191, 11658998, 15246382, 29147495, 38115955, 58294990, 76231910, 99101483, 198202966, 495507415, 991014830]

約数ペア:

[(1, 991014830), (2, 495507415), (5, 198202966), (10, 99101483), (13, 76231910), (17, 58294990), (26, 38115955), (34, 29147495), (65, 15246382), (85, 11658998), (130, 7623191), (170, 5829499), (221, 4484230), (269, 3684070), (442, 2242115), (538, 1842035), (1105, 896846), (1345, 736814), (1667, 594490), (2210, 448423), (2690, 368407), (3334, 297245), (3497, 283390), (4573, 216710), (6994, 141695), (8335, 118898), (9146, 108355), (16670, 59449), (17485, 56678), (21671, 45730), (22865, 43342), (28339, 34970)]