15721286968

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{19423}}^1$

素因数の和:19588

約数の個数: 64

約数和(自身を含む): 31718615040

約数和(自身を除く): 15997328072

約数列:

[1, 2, 4, 8, 23, 46, 53, 83, 92, 106, 166, 184, 212, 332, 424, 664, 1219, 1909, 2438, 3818, 4399, 4876, 7636, 8798, 9752, 15272, 17596, 19423, 35192, 38846, 77692, 101177, 155384, 202354, 404708, 446729, 809416, 893458, 1029419, 1612109, 1786916, 2058838, 3224218, 3573832, 4117676, 6448436, 8235352, 12896872, 23676637, 37078507, 47353274, 74157014, 85441777, 94706548, 148314028, 170883554, 189413096, 296628056, 341767108, 683534216, 1965160871, 3930321742, 7860643484, 15721286968]

約数ペア:

[(1, 15721286968), (2, 7860643484), (4, 3930321742), (8, 1965160871), (23, 683534216), (46, 341767108), (53, 296628056), (83, 189413096), (92, 170883554), (106, 148314028), (166, 94706548), (184, 85441777), (212, 74157014), (332, 47353274), (424, 37078507), (664, 23676637), (1219, 12896872), (1909, 8235352), (2438, 6448436), (3818, 4117676), (4399, 3573832), (4876, 3224218), (7636, 2058838), (8798, 1786916), (9752, 1612109), (15272, 1029419), (17596, 893458), (19423, 809416), (35192, 446729), (38846, 404708), (77692, 202354), (101177, 155384)]