642369455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{6691}}^1$

素因数の和:6927

約数の個数: 32

約数和(自身を含む): 953369088

約数和(自身を除く): 310999633

約数列:

[1, 5, 7, 13, 35, 65, 91, 211, 455, 1055, 1477, 2743, 6691, 7385, 13715, 19201, 33455, 46837, 86983, 96005, 234185, 434915, 608881, 1411801, 3044405, 7059005, 9882607, 18353413, 49413035, 91767065, 128473891, 642369455]

約数ペア:

[(1, 642369455), (5, 128473891), (7, 91767065), (13, 49413035), (35, 18353413), (65, 9882607), (91, 7059005), (211, 3044405), (455, 1411801), (1055, 608881), (1477, 434915), (2743, 234185), (6691, 96005), (7385, 86983), (13715, 46837), (19201, 33455)]