31780164

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1487}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 80494848

約数和(自身を除く): 48714684

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 1487, 1644, 1781, 2974, 3562, 4461, 5343, 5948, 7124, 8922, 10686, 17844, 19331, 21372, 38662, 57993, 77324, 115986, 203719, 231972, 407438, 611157, 814876, 1222314, 2444628, 2648347, 5296694, 7945041, 10593388, 15890082, 31780164]

約数ペア:

[(1, 31780164), (2, 15890082), (3, 10593388), (4, 7945041), (6, 5296694), (12, 2648347), (13, 2444628), (26, 1222314), (39, 814876), (52, 611157), (78, 407438), (137, 231972), (156, 203719), (274, 115986), (411, 77324), (548, 57993), (822, 38662), (1487, 21372), (1644, 19331), (1781, 17844), (2974, 10686), (3562, 8922), (4461, 7124), (5343, 5948)]