261799356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1244

約数の個数: 144

約数和(自身を含む): 792318240

約数和(自身を除く): 530518884

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 49, 52, 58, 78, 84, 87, 91, 98, 116, 147, 156, 174, 182, 196, 203, 273, 294, 348, 364, 377, 406, 546, 588, 609, 637, 754, 812, 1092, 1131, 1181, 1218, 1274, 1421, 1508, 1911, 2262, 2362, 2436, 2548, 2639, 2842, 3543, 3822, 4263, 4524, 4724, 5278, 5684, 7086, 7644, 7917, 8267, 8526, 10556, 14172, 15353, 15834, 16534, 17052, 18473, 24801, 30706, 31668, 33068, 34249, 36946, 46059, 49602, 55419, 57869, 61412, 68498, 73892, 92118, 99204, 102747, 107471, 110838, 115738, 136996, 173607, 184236, 205494, 214942, 221676, 231476, 239743, 322413, 347214, 410988, 429884, 445237, 479486, 644826, 694428, 719229, 752297, 890474, 958972, 1289652, 1335711, 1438458, 1504594, 1678201, 1780948, 2256891, 2671422, 2876916, 3009188, 3116659, 3356402, 4513782, 5034603, 5342844, 6233318, 6712804, 9027564, 9349977, 10069206, 12466636, 18699954, 20138412, 21816613, 37399908, 43633226, 65449839, 87266452, 130899678, 261799356]

約数ペア:

[(1, 261799356), (2, 130899678), (3, 87266452), (4, 65449839), (6, 43633226), (7, 37399908), (12, 21816613), (13, 20138412), (14, 18699954), (21, 12466636), (26, 10069206), (28, 9349977), (29, 9027564), (39, 6712804), (42, 6233318), (49, 5342844), (52, 5034603), (58, 4513782), (78, 3356402), (84, 3116659), (87, 3009188), (91, 2876916), (98, 2671422), (116, 2256891), (147, 1780948), (156, 1678201), (174, 1504594), (182, 1438458), (196, 1335711), (203, 1289652), (273, 958972), (294, 890474), (348, 752297), (364, 719229), (377, 694428), (406, 644826), (546, 479486), (588, 445237), (609, 429884), (637, 410988), (754, 347214), (812, 322413), (1092, 239743), (1131, 231476), (1181, 221676), (1218, 214942), (1274, 205494), (1421, 184236), (1508, 173607), (1911, 136996), (2262, 115738), (2362, 110838), (2436, 107471), (2548, 102747), (2639, 99204), (2842, 92118), (3543, 73892), (3822, 68498), (4263, 61412), (4524, 57869), (4724, 55419), (5278, 49602), (5684, 46059), (7086, 36946), (7644, 34249), (7917, 33068), (8267, 31668), (8526, 30706), (10556, 24801), (14172, 18473), (15353, 17052), (15834, 16534)]