156980915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{11897}}^1$

素因数の和:11951

約数の個数: 32

約数和(自身を含む): 239863680

約数和(自身を除く): 82882765

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1885, 2639, 11897, 13195, 59485, 83279, 154661, 345013, 416395, 773305, 1082627, 1725065, 2415091, 4485169, 5413135, 12075455, 22425845, 31396183, 156980915]

約数ペア:

[(1, 156980915), (5, 31396183), (7, 22425845), (13, 12075455), (29, 5413135), (35, 4485169), (65, 2415091), (91, 1725065), (145, 1082627), (203, 773305), (377, 416395), (455, 345013), (1015, 154661), (1885, 83279), (2639, 59485), (11897, 13195)]