80198356

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 165312000

約数和(自身を除く): 85113644

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 149, 188, 298, 329, 409, 596, 658, 818, 1043, 1316, 1636, 2086, 2863, 4172, 5726, 7003, 11452, 14006, 19223, 28012, 38446, 49021, 60941, 76892, 98042, 121882, 134561, 196084, 243764, 269122, 426587, 538244, 853174, 1706348, 2864227, 5728454, 11456908, 20049589, 40099178, 80198356]

約数ペア:

[(1, 80198356), (2, 40099178), (4, 20049589), (7, 11456908), (14, 5728454), (28, 2864227), (47, 1706348), (94, 853174), (149, 538244), (188, 426587), (298, 269122), (329, 243764), (409, 196084), (596, 134561), (658, 121882), (818, 98042), (1043, 76892), (1316, 60941), (1636, 49021), (2086, 38446), (2863, 28012), (4172, 19223), (5726, 14006), (7003, 11452)]