207801556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 398056960

約数和(自身を除く): 190255404

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 193, 386, 457, 589, 772, 914, 1178, 1828, 2356, 3667, 5983, 7334, 8683, 11966, 14167, 14668, 17366, 23932, 28334, 34732, 56668, 88201, 113677, 176402, 227354, 269173, 352804, 454708, 538346, 1076692, 1675819, 2734231, 3351638, 5468462, 6703276, 10936924, 51950389, 103900778, 207801556]

約数ペア:

[(1, 207801556), (2, 103900778), (4, 51950389), (19, 10936924), (31, 6703276), (38, 5468462), (62, 3351638), (76, 2734231), (124, 1675819), (193, 1076692), (386, 538346), (457, 454708), (589, 352804), (772, 269173), (914, 227354), (1178, 176402), (1828, 113677), (2356, 88201), (3667, 56668), (5983, 34732), (7334, 28334), (8683, 23932), (11966, 17366), (14167, 14668)]