128163490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{140839}}^1$

素因数の和:140866

約数の個数: 32

約数和(自身を含む): 283933440

約数和(自身を除く): 155769950

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 140839, 281678, 704195, 985873, 1408390, 1830907, 1971746, 3661814, 4929365, 9154535, 9858730, 12816349, 18309070, 25632698, 64081745, 128163490]

約数ペア:

[(1, 128163490), (2, 64081745), (5, 25632698), (7, 18309070), (10, 12816349), (13, 9858730), (14, 9154535), (26, 4929365), (35, 3661814), (65, 1971746), (70, 1830907), (91, 1408390), (130, 985873), (182, 704195), (455, 281678), (910, 140839)]