520565486

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 974177280

約数和(自身を除く): 453611794

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 107, 161, 203, 214, 322, 406, 521, 667, 749, 1042, 1334, 1498, 2461, 3103, 3647, 4669, 4922, 6206, 7294, 9338, 11983, 15109, 17227, 21721, 23966, 30218, 34454, 43442, 55747, 71369, 83881, 105763, 111494, 142738, 167762, 211526, 347507, 390229, 499583, 695014, 780458, 999166, 1282181, 1616663, 2432549, 2564362, 3233326, 4865098, 8975267, 11316641, 17950534, 22633282, 37183249, 74366498, 260282743, 520565486]

約数ペア:

[(1, 520565486), (2, 260282743), (7, 74366498), (14, 37183249), (23, 22633282), (29, 17950534), (46, 11316641), (58, 8975267), (107, 4865098), (161, 3233326), (203, 2564362), (214, 2432549), (322, 1616663), (406, 1282181), (521, 999166), (667, 780458), (749, 695014), (1042, 499583), (1334, 390229), (1498, 347507), (2461, 211526), (3103, 167762), (3647, 142738), (4669, 111494), (4922, 105763), (6206, 83881), (7294, 71369), (9338, 55747), (11983, 43442), (15109, 34454), (17227, 30218), (21721, 23966)]