1253799248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^2\times {\mathrm{761}}^1$

素因数の和:960

約数の個数: 60

約数和(自身を含む): 2649301788

約数和(自身を除く): 1395502540

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 761, 1157, 1424, 1522, 2314, 3044, 4628, 6088, 7921, 9256, 9893, 12176, 15842, 18512, 19786, 31684, 39572, 63368, 67729, 79144, 102973, 126736, 135458, 158288, 205946, 270916, 411892, 541832, 823784, 880477, 1083664, 1647568, 1760954, 3521908, 6027881, 7043816, 12055762, 14087632, 24111524, 48223048, 78362453, 96446096, 156724906, 313449812, 626899624, 1253799248]

約数ペア:

[(1, 1253799248), (2, 626899624), (4, 313449812), (8, 156724906), (13, 96446096), (16, 78362453), (26, 48223048), (52, 24111524), (89, 14087632), (104, 12055762), (178, 7043816), (208, 6027881), (356, 3521908), (712, 1760954), (761, 1647568), (1157, 1083664), (1424, 880477), (1522, 823784), (2314, 541832), (3044, 411892), (4628, 270916), (6088, 205946), (7921, 158288), (9256, 135458), (9893, 126736), (12176, 102973), (15842, 79144), (18512, 67729), (19786, 63368), (31684, 39572)]