128984955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 235339776

約数和(自身を除く): 106354821

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 151, 155, 165, 167, 341, 453, 465, 501, 755, 835, 1023, 1661, 1705, 1837, 2265, 2505, 4681, 4983, 5115, 5177, 5511, 8305, 9185, 14043, 15531, 23405, 24915, 25217, 25885, 27555, 51491, 56947, 70215, 75651, 77655, 126085, 154473, 170841, 257455, 277387, 284735, 378255, 772365, 781727, 832161, 854205, 1386935, 2345181, 3908635, 4160805, 8598997, 11725905, 25796991, 42994985, 128984955]

約数ペア:

[(1, 128984955), (3, 42994985), (5, 25796991), (11, 11725905), (15, 8598997), (31, 4160805), (33, 3908635), (55, 2345181), (93, 1386935), (151, 854205), (155, 832161), (165, 781727), (167, 772365), (341, 378255), (453, 284735), (465, 277387), (501, 257455), (755, 170841), (835, 154473), (1023, 126085), (1661, 77655), (1705, 75651), (1837, 70215), (2265, 56947), (2505, 51491), (4681, 27555), (4983, 25885), (5115, 25217), (5177, 24915), (5511, 23405), (8305, 15531), (9185, 14043)]