28815444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3943}}^1$

素因数の和:3989

約数の個数: 72

約数和(自身を含む): 86136960

約数和(自身を除く): 57321516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 3943, 7308, 7886, 11829, 15772, 23658, 27601, 35487, 47316, 55202, 70974, 82803, 110404, 114347, 141948, 165606, 228694, 248409, 331212, 343041, 457388, 496818, 686082, 800429, 993636, 1029123, 1372164, 1600858, 2058246, 2401287, 3201716, 4116492, 4802574, 7203861, 9605148, 14407722, 28815444]

約数ペア:

[(1, 28815444), (2, 14407722), (3, 9605148), (4, 7203861), (6, 4802574), (7, 4116492), (9, 3201716), (12, 2401287), (14, 2058246), (18, 1600858), (21, 1372164), (28, 1029123), (29, 993636), (36, 800429), (42, 686082), (58, 496818), (63, 457388), (84, 343041), (87, 331212), (116, 248409), (126, 228694), (174, 165606), (203, 141948), (252, 114347), (261, 110404), (348, 82803), (406, 70974), (522, 55202), (609, 47316), (812, 35487), (1044, 27601), (1218, 23658), (1827, 15772), (2436, 11829), (3654, 7886), (3943, 7308)]