1390401896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{739}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 2859360000

約数和(自身を除く): 1468958104

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 229, 316, 458, 632, 739, 916, 1027, 1478, 1832, 2054, 2956, 2977, 4108, 5912, 5954, 8216, 9607, 11908, 18091, 19214, 23816, 36182, 38428, 58381, 72364, 76856, 116762, 144728, 169231, 233524, 235183, 338462, 467048, 470366, 676924, 758953, 940732, 1353848, 1517906, 1881464, 2200003, 3035812, 4400006, 6071624, 8800012, 13369249, 17600024, 26738498, 53476996, 106953992, 173800237, 347600474, 695200948, 1390401896]

約数ペア:

[(1, 1390401896), (2, 695200948), (4, 347600474), (8, 173800237), (13, 106953992), (26, 53476996), (52, 26738498), (79, 17600024), (104, 13369249), (158, 8800012), (229, 6071624), (316, 4400006), (458, 3035812), (632, 2200003), (739, 1881464), (916, 1517906), (1027, 1353848), (1478, 940732), (1832, 758953), (2054, 676924), (2956, 470366), (2977, 467048), (4108, 338462), (5912, 235183), (5954, 233524), (8216, 169231), (9607, 144728), (11908, 116762), (18091, 76856), (19214, 72364), (23816, 58381), (36182, 38428)]