31118672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 60

約数和(自身を含む): 67300380

約数和(自身を除く): 36181708

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 89, 104, 164, 178, 208, 328, 356, 533, 656, 712, 1066, 1157, 1424, 1681, 2132, 2314, 3362, 3649, 4264, 4628, 6724, 7298, 8528, 9256, 13448, 14596, 18512, 21853, 26896, 29192, 43706, 47437, 58384, 87412, 94874, 149609, 174824, 189748, 299218, 349648, 379496, 598436, 758992, 1196872, 1944917, 2393744, 3889834, 7779668, 15559336, 31118672]

約数ペア:

[(1, 31118672), (2, 15559336), (4, 7779668), (8, 3889834), (13, 2393744), (16, 1944917), (26, 1196872), (41, 758992), (52, 598436), (82, 379496), (89, 349648), (104, 299218), (164, 189748), (178, 174824), (208, 149609), (328, 94874), (356, 87412), (533, 58384), (656, 47437), (712, 43706), (1066, 29192), (1157, 26896), (1424, 21853), (1681, 18512), (2132, 14596), (2314, 13448), (3362, 9256), (3649, 8528), (4264, 7298), (4628, 6724)]