90100278

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{70501}}^1$

素因数の和:70580

約数の個数: 24

約数和(自身を含む): 197969616

約数和(自身を除く): 107869338

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 70501, 141002, 211503, 423006, 634509, 1269018, 5005571, 10011142, 15016713, 30033426, 45050139, 90100278]

約数ペア:

[(1, 90100278), (2, 45050139), (3, 30033426), (6, 15016713), (9, 10011142), (18, 5005571), (71, 1269018), (142, 634509), (213, 423006), (426, 211503), (639, 141002), (1278, 70501)]