78291558

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{61261}}^1$

素因数の和:61340

約数の個数: 24

約数和(自身を含む): 172023696

約数和(自身を除く): 93732138

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 61261, 122522, 183783, 367566, 551349, 1102698, 4349531, 8699062, 13048593, 26097186, 39145779, 78291558]

約数ペア:

[(1, 78291558), (2, 39145779), (3, 26097186), (6, 13048593), (9, 8699062), (18, 4349531), (71, 1102698), (142, 551349), (213, 367566), (426, 183783), (639, 122522), (1278, 61261)]