78812812

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 161221536

約数和(自身を除く): 82408724

約数列:

[1, 2, 4, 13, 23, 26, 37, 46, 52, 74, 92, 137, 148, 169, 274, 299, 338, 481, 548, 598, 676, 851, 962, 1196, 1702, 1781, 1924, 3151, 3404, 3562, 3887, 5069, 6253, 6302, 7124, 7774, 10138, 11063, 12506, 12604, 15548, 20276, 22126, 23153, 25012, 40963, 44252, 46306, 65897, 81926, 92612, 116587, 131794, 143819, 163852, 233174, 263588, 287638, 466348, 532519, 575276, 856661, 1065038, 1515631, 1713322, 2130076, 3031262, 3426644, 6062524, 19703203, 39406406, 78812812]

約数ペア:

[(1, 78812812), (2, 39406406), (4, 19703203), (13, 6062524), (23, 3426644), (26, 3031262), (37, 2130076), (46, 1713322), (52, 1515631), (74, 1065038), (92, 856661), (137, 575276), (148, 532519), (169, 466348), (274, 287638), (299, 263588), (338, 233174), (481, 163852), (548, 143819), (598, 131794), (676, 116587), (851, 92612), (962, 81926), (1196, 65897), (1702, 46306), (1781, 44252), (1924, 40963), (3151, 25012), (3404, 23153), (3562, 22126), (3887, 20276), (5069, 15548), (6253, 12604), (6302, 12506), (7124, 11063), (7774, 10138)]