251316876

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^3\times {\mathrm{37}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 655083520

約数和(自身を除く): 403766644

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 37, 38, 57, 62, 74, 76, 93, 111, 114, 124, 148, 186, 222, 228, 372, 444, 589, 703, 961, 1147, 1178, 1406, 1767, 1922, 2109, 2294, 2356, 2812, 2883, 3441, 3534, 3844, 4218, 4588, 5766, 6882, 7068, 8436, 11532, 13764, 18259, 21793, 29791, 35557, 36518, 43586, 54777, 59582, 65379, 71114, 73036, 87172, 89373, 106671, 109554, 119164, 130758, 142228, 178746, 213342, 219108, 261516, 357492, 426684, 566029, 675583, 1102267, 1132058, 1351166, 1698087, 2026749, 2204534, 2264116, 2702332, 3306801, 3396174, 4053498, 4409068, 6613602, 6792348, 8106996, 13227204, 20943073, 41886146, 62829219, 83772292, 125658438, 251316876]

約数ペア:

[(1, 251316876), (2, 125658438), (3, 83772292), (4, 62829219), (6, 41886146), (12, 20943073), (19, 13227204), (31, 8106996), (37, 6792348), (38, 6613602), (57, 4409068), (62, 4053498), (74, 3396174), (76, 3306801), (93, 2702332), (111, 2264116), (114, 2204534), (124, 2026749), (148, 1698087), (186, 1351166), (222, 1132058), (228, 1102267), (372, 675583), (444, 566029), (589, 426684), (703, 357492), (961, 261516), (1147, 219108), (1178, 213342), (1406, 178746), (1767, 142228), (1922, 130758), (2109, 119164), (2294, 109554), (2356, 106671), (2812, 89373), (2883, 87172), (3441, 73036), (3534, 71114), (3844, 65379), (4218, 59582), (4588, 54777), (5766, 43586), (6882, 36518), (7068, 35557), (8436, 29791), (11532, 21793), (13764, 18259)]