30986956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 74511360

約数和(自身を除く): 43524404

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 71, 77, 91, 109, 142, 143, 154, 182, 218, 284, 286, 308, 364, 436, 497, 572, 763, 781, 923, 994, 1001, 1199, 1417, 1526, 1562, 1846, 1988, 2002, 2398, 2834, 3052, 3124, 3692, 4004, 4796, 5467, 5668, 6461, 7739, 8393, 9919, 10153, 10934, 12922, 15478, 15587, 16786, 19838, 20306, 21868, 25844, 30956, 31174, 33572, 39676, 40612, 54173, 62348, 71071, 85129, 100607, 108346, 109109, 142142, 170258, 201214, 216692, 218218, 284284, 340516, 402428, 436436, 595903, 704249, 1106677, 1191806, 1408498, 2213354, 2383612, 2816996, 4426708, 7746739, 15493478, 30986956]

約数ペア:

[(1, 30986956), (2, 15493478), (4, 7746739), (7, 4426708), (11, 2816996), (13, 2383612), (14, 2213354), (22, 1408498), (26, 1191806), (28, 1106677), (44, 704249), (52, 595903), (71, 436436), (77, 402428), (91, 340516), (109, 284284), (142, 218218), (143, 216692), (154, 201214), (182, 170258), (218, 142142), (284, 109109), (286, 108346), (308, 100607), (364, 85129), (436, 71071), (497, 62348), (572, 54173), (763, 40612), (781, 39676), (923, 33572), (994, 31174), (1001, 30956), (1199, 25844), (1417, 21868), (1526, 20306), (1562, 19838), (1846, 16786), (1988, 15587), (2002, 15478), (2398, 12922), (2834, 10934), (3052, 10153), (3124, 9919), (3692, 8393), (4004, 7739), (4796, 6461), (5467, 5668)]