991567460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1653

約数の個数: 96

約数和(自身を含む): 2334915072

約数和(自身を除く): 1343347612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 53, 65, 94, 106, 130, 188, 212, 235, 260, 265, 470, 530, 611, 689, 940, 1060, 1222, 1378, 1531, 2444, 2491, 2756, 3055, 3062, 3445, 4982, 6110, 6124, 6890, 7655, 9964, 12220, 12455, 13780, 15310, 19903, 24910, 30620, 32383, 39806, 49820, 64766, 71957, 79612, 81143, 99515, 129532, 143914, 161915, 162286, 199030, 287828, 323830, 324572, 359785, 398060, 405715, 647660, 719570, 811430, 935441, 1054859, 1439140, 1622860, 1870882, 2109718, 3741764, 3813721, 4219436, 4677205, 5274295, 7627442, 9354410, 10548590, 15254884, 18708820, 19068605, 21097180, 38137210, 49578373, 76274420, 99156746, 198313492, 247891865, 495783730, 991567460]

約数ペア:

[(1, 991567460), (2, 495783730), (4, 247891865), (5, 198313492), (10, 99156746), (13, 76274420), (20, 49578373), (26, 38137210), (47, 21097180), (52, 19068605), (53, 18708820), (65, 15254884), (94, 10548590), (106, 9354410), (130, 7627442), (188, 5274295), (212, 4677205), (235, 4219436), (260, 3813721), (265, 3741764), (470, 2109718), (530, 1870882), (611, 1622860), (689, 1439140), (940, 1054859), (1060, 935441), (1222, 811430), (1378, 719570), (1531, 647660), (2444, 405715), (2491, 398060), (2756, 359785), (3055, 324572), (3062, 323830), (3445, 287828), (4982, 199030), (6110, 162286), (6124, 161915), (6890, 143914), (7655, 129532), (9964, 99515), (12220, 81143), (12455, 79612), (13780, 71957), (15310, 64766), (19903, 49820), (24910, 39806), (30620, 32383)]