201149879

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 242841600

約数和(自身を除く): 41691721

約数列:

[1, 7, 61, 67, 79, 89, 427, 469, 553, 623, 4087, 4819, 5293, 5429, 5963, 7031, 28609, 33733, 37051, 38003, 41741, 49217, 322873, 363743, 428891, 471077, 2260111, 2546201, 3002237, 3297539, 28735697, 201149879]

約数ペア:

[(1, 201149879), (7, 28735697), (61, 3297539), (67, 3002237), (79, 2546201), (89, 2260111), (427, 471077), (469, 428891), (553, 363743), (623, 322873), (4087, 49217), (4819, 41741), (5293, 38003), (5429, 37051), (5963, 33733), (7031, 28609)]