31605728

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 78962688

約数和(自身を除く): 47356960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 101, 112, 127, 154, 176, 202, 224, 254, 308, 352, 404, 508, 616, 707, 808, 889, 1016, 1111, 1232, 1397, 1414, 1616, 1778, 2032, 2222, 2464, 2794, 2828, 3232, 3556, 4064, 4444, 5588, 5656, 7112, 7777, 8888, 9779, 11176, 11312, 12827, 14224, 15554, 17776, 19558, 22352, 22624, 25654, 28448, 31108, 35552, 39116, 44704, 51308, 62216, 78232, 89789, 102616, 124432, 141097, 156464, 179578, 205232, 248864, 282194, 312928, 359156, 410464, 564388, 718312, 987679, 1128776, 1436624, 1975358, 2257552, 2873248, 3950716, 4515104, 7901432, 15802864, 31605728]

約数ペア:

[(1, 31605728), (2, 15802864), (4, 7901432), (7, 4515104), (8, 3950716), (11, 2873248), (14, 2257552), (16, 1975358), (22, 1436624), (28, 1128776), (32, 987679), (44, 718312), (56, 564388), (77, 410464), (88, 359156), (101, 312928), (112, 282194), (127, 248864), (154, 205232), (176, 179578), (202, 156464), (224, 141097), (254, 124432), (308, 102616), (352, 89789), (404, 78232), (508, 62216), (616, 51308), (707, 44704), (808, 39116), (889, 35552), (1016, 31108), (1111, 28448), (1232, 25654), (1397, 22624), (1414, 22352), (1616, 19558), (1778, 17776), (2032, 15554), (2222, 14224), (2464, 12827), (2794, 11312), (2828, 11176), (3232, 9779), (3556, 8888), (4064, 7777), (4444, 7112), (5588, 5656)]