28440972

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:748

約数の個数: 108

約数和(自身を含む): 87390576

約数和(自身を除く): 58949604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 276, 294, 322, 414, 441, 483, 588, 644, 701, 828, 882, 966, 1127, 1402, 1449, 1764, 1932, 2103, 2254, 2804, 2898, 3381, 4206, 4508, 4907, 5796, 6309, 6762, 8412, 9814, 10143, 12618, 13524, 14721, 16123, 19628, 20286, 25236, 29442, 32246, 34349, 40572, 44163, 48369, 58884, 64492, 68698, 88326, 96738, 103047, 112861, 137396, 145107, 176652, 193476, 206094, 225722, 290214, 309141, 338583, 412188, 451444, 580428, 618282, 677166, 790027, 1015749, 1236564, 1354332, 1580054, 2031498, 2370081, 3160108, 4062996, 4740162, 7110243, 9480324, 14220486, 28440972]

約数ペア:

[(1, 28440972), (2, 14220486), (3, 9480324), (4, 7110243), (6, 4740162), (7, 4062996), (9, 3160108), (12, 2370081), (14, 2031498), (18, 1580054), (21, 1354332), (23, 1236564), (28, 1015749), (36, 790027), (42, 677166), (46, 618282), (49, 580428), (63, 451444), (69, 412188), (84, 338583), (92, 309141), (98, 290214), (126, 225722), (138, 206094), (147, 193476), (161, 176652), (196, 145107), (207, 137396), (252, 112861), (276, 103047), (294, 96738), (322, 88326), (414, 68698), (441, 64492), (483, 58884), (588, 48369), (644, 44163), (701, 40572), (828, 34349), (882, 32246), (966, 29442), (1127, 25236), (1402, 20286), (1449, 19628), (1764, 16123), (1932, 14721), (2103, 13524), (2254, 12618), (2804, 10143), (2898, 9814), (3381, 8412), (4206, 6762), (4508, 6309), (4907, 5796)]