66981355

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 94458240

約数和(自身を除く): 27476885

約数列:

[1, 5, 7, 35, 61, 137, 229, 305, 427, 685, 959, 1145, 1603, 2135, 4795, 8015, 8357, 13969, 31373, 41785, 58499, 69845, 97783, 156865, 219611, 292495, 488915, 1098055, 1913753, 9568765, 13396271, 66981355]

約数ペア:

[(1, 66981355), (5, 13396271), (7, 9568765), (35, 1913753), (61, 1098055), (137, 488915), (229, 292495), (305, 219611), (427, 156865), (685, 97783), (959, 69845), (1145, 58499), (1603, 41785), (2135, 31373), (4795, 13969), (8015, 8357)]