260888901

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1146

約数の個数: 64

約数和(自身を含む): 457605120

約数和(自身を除く): 196716219

約数列:

[1, 3, 7, 13, 21, 29, 31, 39, 87, 91, 93, 203, 217, 273, 377, 403, 609, 651, 899, 1063, 1131, 1209, 2639, 2697, 2821, 3189, 6293, 7441, 7917, 8463, 11687, 13819, 18879, 22323, 30827, 32953, 35061, 41457, 81809, 92481, 96733, 98859, 215789, 230671, 245427, 290199, 400751, 428389, 647367, 692013, 955637, 1202253, 1285167, 2805257, 2866911, 2998723, 6689459, 8415771, 8996169, 12423281, 20068377, 37269843, 86962967, 260888901]

約数ペア:

[(1, 260888901), (3, 86962967), (7, 37269843), (13, 20068377), (21, 12423281), (29, 8996169), (31, 8415771), (39, 6689459), (87, 2998723), (91, 2866911), (93, 2805257), (203, 1285167), (217, 1202253), (273, 955637), (377, 692013), (403, 647367), (609, 428389), (651, 400751), (899, 290199), (1063, 245427), (1131, 230671), (1209, 215789), (2639, 98859), (2697, 96733), (2821, 92481), (3189, 81809), (6293, 41457), (7441, 35061), (7917, 32953), (8463, 30827), (11687, 22323), (13819, 18879)]