15326245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 21150720

約数和(自身を除く): 5824475

約数列:

[1, 5, 11, 31, 55, 89, 101, 155, 341, 445, 505, 979, 1111, 1705, 2759, 3131, 4895, 5555, 8989, 13795, 15655, 30349, 34441, 44945, 98879, 151745, 172205, 278659, 494395, 1393295, 3065249, 15326245]

約数ペア:

[(1, 15326245), (5, 3065249), (11, 1393295), (31, 494395), (55, 278659), (89, 172205), (101, 151745), (155, 98879), (341, 44945), (445, 34441), (505, 30349), (979, 15655), (1111, 13795), (1705, 8989), (2759, 5555), (3131, 4895)]