201101215

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 281364480

約数和(自身を除く): 80263265

約数列:

[1, 5, 7, 35, 79, 257, 283, 395, 553, 1285, 1415, 1799, 1981, 2765, 8995, 9905, 20303, 22357, 72731, 101515, 111785, 142121, 156499, 363655, 509117, 710605, 782495, 2545585, 5745749, 28728745, 40220243, 201101215]

約数ペア:

[(1, 201101215), (5, 40220243), (7, 28728745), (35, 5745749), (79, 2545585), (257, 782495), (283, 710605), (395, 509117), (553, 363655), (1285, 156499), (1415, 142121), (1799, 111785), (1981, 101515), (2765, 72731), (8995, 22357), (9905, 20303)]