28968012

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 76632192

約数和(自身を除く): 47664180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 101, 124, 186, 202, 257, 279, 303, 372, 404, 514, 558, 606, 771, 909, 1028, 1116, 1212, 1542, 1818, 2313, 3084, 3131, 3636, 4626, 6262, 7967, 9252, 9393, 12524, 15934, 18786, 23901, 25957, 28179, 31868, 37572, 47802, 51914, 56358, 71703, 77871, 95604, 103828, 112716, 143406, 155742, 233613, 286812, 311484, 467226, 804667, 934452, 1609334, 2414001, 3218668, 4828002, 7242003, 9656004, 14484006, 28968012]

約数ペア:

[(1, 28968012), (2, 14484006), (3, 9656004), (4, 7242003), (6, 4828002), (9, 3218668), (12, 2414001), (18, 1609334), (31, 934452), (36, 804667), (62, 467226), (93, 311484), (101, 286812), (124, 233613), (186, 155742), (202, 143406), (257, 112716), (279, 103828), (303, 95604), (372, 77871), (404, 71703), (514, 56358), (558, 51914), (606, 47802), (771, 37572), (909, 31868), (1028, 28179), (1116, 25957), (1212, 23901), (1542, 18786), (1818, 15934), (2313, 12524), (3084, 9393), (3131, 9252), (3636, 7967), (4626, 6262)]