678690232

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 1410048000

約数和(自身を除く): 731357768

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 191, 271, 298, 382, 542, 596, 764, 1084, 1192, 1528, 1639, 2101, 2168, 2981, 3278, 4202, 5962, 6556, 8404, 11924, 13112, 16808, 23848, 28459, 40379, 51761, 56918, 80758, 103522, 113836, 161516, 207044, 227672, 313049, 323032, 414088, 444169, 569371, 626098, 888338, 1138742, 1252196, 1776676, 2277484, 2504392, 3553352, 4554968, 7712389, 15424778, 30849556, 61699112, 84836279, 169672558, 339345116, 678690232]

約数ペア:

[(1, 678690232), (2, 339345116), (4, 169672558), (8, 84836279), (11, 61699112), (22, 30849556), (44, 15424778), (88, 7712389), (149, 4554968), (191, 3553352), (271, 2504392), (298, 2277484), (382, 1776676), (542, 1252196), (596, 1138742), (764, 888338), (1084, 626098), (1192, 569371), (1528, 444169), (1639, 414088), (2101, 323032), (2168, 313049), (2981, 227672), (3278, 207044), (4202, 161516), (5962, 113836), (6556, 103522), (8404, 80758), (11924, 56918), (13112, 51761), (16808, 40379), (23848, 28459)]