31387686

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 76446720

約数和(自身を除く): 45059034

約数列:

[1, 2, 3, 6, 11, 22, 23, 29, 31, 33, 46, 58, 62, 66, 69, 87, 93, 138, 174, 186, 253, 319, 341, 506, 529, 638, 667, 682, 713, 759, 899, 957, 1023, 1058, 1334, 1426, 1518, 1587, 1798, 1914, 2001, 2046, 2139, 2697, 3174, 4002, 4278, 5394, 5819, 7337, 7843, 9889, 11638, 14674, 15341, 15686, 16399, 17457, 19778, 20677, 22011, 23529, 29667, 30682, 32798, 34914, 41354, 44022, 46023, 47058, 49197, 59334, 62031, 92046, 98394, 124062, 168751, 180389, 227447, 337502, 360778, 454894, 475571, 506253, 541167, 682341, 951142, 1012506, 1082334, 1364682, 1426713, 2853426, 5231281, 10462562, 15693843, 31387686]

約数ペア:

[(1, 31387686), (2, 15693843), (3, 10462562), (6, 5231281), (11, 2853426), (22, 1426713), (23, 1364682), (29, 1082334), (31, 1012506), (33, 951142), (46, 682341), (58, 541167), (62, 506253), (66, 475571), (69, 454894), (87, 360778), (93, 337502), (138, 227447), (174, 180389), (186, 168751), (253, 124062), (319, 98394), (341, 92046), (506, 62031), (529, 59334), (638, 49197), (667, 47058), (682, 46023), (713, 44022), (759, 41354), (899, 34914), (957, 32798), (1023, 30682), (1058, 29667), (1334, 23529), (1426, 22011), (1518, 20677), (1587, 19778), (1798, 17457), (1914, 16399), (2001, 15686), (2046, 15341), (2139, 14674), (2697, 11638), (3174, 9889), (4002, 7843), (4278, 7337), (5394, 5819)]