27988404

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 67502400

約数和(自身を除く): 39513996

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 163, 164, 246, 326, 349, 489, 492, 652, 698, 978, 1047, 1396, 1956, 2094, 4188, 6683, 13366, 14309, 20049, 26732, 28618, 40098, 42927, 56887, 57236, 80196, 85854, 113774, 170661, 171708, 227548, 341322, 682644, 2332367, 4664734, 6997101, 9329468, 13994202, 27988404]

約数ペア:

[(1, 27988404), (2, 13994202), (3, 9329468), (4, 6997101), (6, 4664734), (12, 2332367), (41, 682644), (82, 341322), (123, 227548), (163, 171708), (164, 170661), (246, 113774), (326, 85854), (349, 80196), (489, 57236), (492, 56887), (652, 42927), (698, 40098), (978, 28618), (1047, 26732), (1396, 20049), (1956, 14309), (2094, 13366), (4188, 6683)]