646188138

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1103}}^1$

素因数の和:1704

約数の個数: 64

約数和(自身を含む): 1515571200

約数和(自身を除く): 869383062

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 571, 1026, 1103, 1142, 1713, 2206, 3309, 3426, 5139, 6618, 9927, 10278, 10849, 15417, 19854, 20957, 21698, 29781, 30834, 32547, 41914, 59562, 62871, 65094, 97641, 125742, 188613, 195282, 292923, 377226, 565839, 585846, 629813, 1131678, 1259626, 1889439, 3778878, 5668317, 11336634, 11966447, 17004951, 23932894, 34009902, 35899341, 71798682, 107698023, 215396046, 323094069, 646188138]

約数ペア:

[(1, 646188138), (2, 323094069), (3, 215396046), (6, 107698023), (9, 71798682), (18, 35899341), (19, 34009902), (27, 23932894), (38, 17004951), (54, 11966447), (57, 11336634), (114, 5668317), (171, 3778878), (342, 1889439), (513, 1259626), (571, 1131678), (1026, 629813), (1103, 585846), (1142, 565839), (1713, 377226), (2206, 292923), (3309, 195282), (3426, 188613), (5139, 125742), (6618, 97641), (9927, 65094), (10278, 62871), (10849, 59562), (15417, 41914), (19854, 32547), (20957, 30834), (21698, 29781)]