28612404

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{709}}^1$

素因数の和:797

約数の個数: 72

約数和(自身を含む): 77532000

約数和(自身を除く): 48919596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 59, 76, 114, 118, 171, 177, 228, 236, 342, 354, 531, 684, 708, 709, 1062, 1121, 1418, 2124, 2127, 2242, 2836, 3363, 4254, 4484, 6381, 6726, 8508, 10089, 12762, 13452, 13471, 20178, 25524, 26942, 40356, 40413, 41831, 53884, 80826, 83662, 121239, 125493, 161652, 167324, 242478, 250986, 376479, 484956, 501972, 752958, 794789, 1505916, 1589578, 2384367, 3179156, 4768734, 7153101, 9537468, 14306202, 28612404]

約数ペア:

[(1, 28612404), (2, 14306202), (3, 9537468), (4, 7153101), (6, 4768734), (9, 3179156), (12, 2384367), (18, 1589578), (19, 1505916), (36, 794789), (38, 752958), (57, 501972), (59, 484956), (76, 376479), (114, 250986), (118, 242478), (171, 167324), (177, 161652), (228, 125493), (236, 121239), (342, 83662), (354, 80826), (531, 53884), (684, 41831), (708, 40413), (709, 40356), (1062, 26942), (1121, 25524), (1418, 20178), (2124, 13471), (2127, 13452), (2242, 12762), (2836, 10089), (3363, 8508), (4254, 6726), (4484, 6381)]