31479756

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 96832512

約数和(自身を除く): 65352756

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 31, 33, 42, 44, 49, 62, 66, 77, 84, 93, 98, 124, 132, 147, 154, 157, 186, 196, 217, 231, 294, 308, 314, 341, 372, 434, 462, 471, 539, 588, 628, 651, 682, 868, 924, 942, 1023, 1078, 1099, 1302, 1364, 1519, 1617, 1727, 1884, 2046, 2156, 2198, 2387, 2604, 3038, 3234, 3297, 3454, 4092, 4396, 4557, 4774, 4867, 5181, 6076, 6468, 6594, 6908, 7161, 7693, 9114, 9548, 9734, 10362, 12089, 13188, 14322, 14601, 15386, 16709, 18228, 19468, 20724, 23079, 24178, 28644, 29202, 30772, 33418, 34069, 36267, 46158, 48356, 50127, 53537, 58404, 66836, 68138, 72534, 84623, 92316, 100254, 102207, 107074, 136276, 145068, 160611, 169246, 200508, 204414, 214148, 238483, 253869, 321222, 338492, 374759, 408828, 476966, 507738, 642444, 715449, 749518, 953932, 1015476, 1124277, 1430898, 1499036, 2248554, 2623313, 2861796, 4497108, 5246626, 7869939, 10493252, 15739878, 31479756]

約数ペア:

[(1, 31479756), (2, 15739878), (3, 10493252), (4, 7869939), (6, 5246626), (7, 4497108), (11, 2861796), (12, 2623313), (14, 2248554), (21, 1499036), (22, 1430898), (28, 1124277), (31, 1015476), (33, 953932), (42, 749518), (44, 715449), (49, 642444), (62, 507738), (66, 476966), (77, 408828), (84, 374759), (93, 338492), (98, 321222), (124, 253869), (132, 238483), (147, 214148), (154, 204414), (157, 200508), (186, 169246), (196, 160611), (217, 145068), (231, 136276), (294, 107074), (308, 102207), (314, 100254), (341, 92316), (372, 84623), (434, 72534), (462, 68138), (471, 66836), (539, 58404), (588, 53537), (628, 50127), (651, 48356), (682, 46158), (868, 36267), (924, 34069), (942, 33418), (1023, 30772), (1078, 29202), (1099, 28644), (1302, 24178), (1364, 23079), (1519, 20724), (1617, 19468), (1727, 18228), (1884, 16709), (2046, 15386), (2156, 14601), (2198, 14322), (2387, 13188), (2604, 12089), (3038, 10362), (3234, 9734), (3297, 9548), (3454, 9114), (4092, 7693), (4396, 7161), (4557, 6908), (4774, 6594), (4867, 6468), (5181, 6076)]