31251428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 63409920

約数和(自身を除く): 32158492

約数列:

[1, 2, 4, 13, 19, 26, 38, 47, 52, 76, 94, 188, 247, 494, 611, 673, 893, 988, 1222, 1346, 1786, 2444, 2692, 3572, 8749, 11609, 12787, 17498, 23218, 25574, 31631, 34996, 46436, 51148, 63262, 126524, 166231, 332462, 411203, 600989, 664924, 822406, 1201978, 1644812, 2403956, 7812857, 15625714, 31251428]

約数ペア:

[(1, 31251428), (2, 15625714), (4, 7812857), (13, 2403956), (19, 1644812), (26, 1201978), (38, 822406), (47, 664924), (52, 600989), (76, 411203), (94, 332462), (188, 166231), (247, 126524), (494, 63262), (611, 51148), (673, 46436), (893, 34996), (988, 31631), (1222, 25574), (1346, 23218), (1786, 17498), (2444, 12787), (2692, 11609), (3572, 8749)]