28778064

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2089}}^1$

素因数の和:2148

約数の個数: 80

約数和(自身を含む): 87077760

約数和(自身を除く): 58299696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 56, 82, 84, 112, 123, 164, 168, 246, 287, 328, 336, 492, 574, 656, 861, 984, 1148, 1722, 1968, 2089, 2296, 3444, 4178, 4592, 6267, 6888, 8356, 12534, 13776, 14623, 16712, 25068, 29246, 33424, 43869, 50136, 58492, 85649, 87738, 100272, 116984, 171298, 175476, 233968, 256947, 342596, 350952, 513894, 599543, 685192, 701904, 1027788, 1199086, 1370384, 1798629, 2055576, 2398172, 3597258, 4111152, 4796344, 7194516, 9592688, 14389032, 28778064]

約数ペア:

[(1, 28778064), (2, 14389032), (3, 9592688), (4, 7194516), (6, 4796344), (7, 4111152), (8, 3597258), (12, 2398172), (14, 2055576), (16, 1798629), (21, 1370384), (24, 1199086), (28, 1027788), (41, 701904), (42, 685192), (48, 599543), (56, 513894), (82, 350952), (84, 342596), (112, 256947), (123, 233968), (164, 175476), (168, 171298), (246, 116984), (287, 100272), (328, 87738), (336, 85649), (492, 58492), (574, 50136), (656, 43869), (861, 33424), (984, 29246), (1148, 25068), (1722, 16712), (1968, 14623), (2089, 13776), (2296, 12534), (3444, 8356), (4178, 6888), (4592, 6267)]