28247436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 82162080

約数和(自身を除く): 53914644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 569, 591, 788, 1138, 1182, 1379, 1707, 1773, 2276, 2364, 2758, 3414, 3546, 3983, 4137, 5121, 5516, 6828, 7092, 7966, 8274, 10242, 11949, 12411, 15932, 16548, 20484, 23898, 24822, 35847, 47796, 49644, 71694, 112093, 143388, 224186, 336279, 448372, 672558, 784651, 1008837, 1345116, 1569302, 2017674, 2353953, 3138604, 4035348, 4707906, 7061859, 9415812, 14123718, 28247436]

約数ペア:

[(1, 28247436), (2, 14123718), (3, 9415812), (4, 7061859), (6, 4707906), (7, 4035348), (9, 3138604), (12, 2353953), (14, 2017674), (18, 1569302), (21, 1345116), (28, 1008837), (36, 784651), (42, 672558), (63, 448372), (84, 336279), (126, 224186), (197, 143388), (252, 112093), (394, 71694), (569, 49644), (591, 47796), (788, 35847), (1138, 24822), (1182, 23898), (1379, 20484), (1707, 16548), (1773, 15932), (2276, 12411), (2364, 11949), (2758, 10242), (3414, 8274), (3546, 7966), (3983, 7092), (4137, 6828), (5121, 5516)]