638049104

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{907}}^1$

素因数の和:1504

約数の個数: 80

約数和(自身を含む): 1545662976

約数和(自身を除く): 907613872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 571, 616, 907, 1142, 1232, 1814, 2284, 3628, 3997, 4568, 6281, 6349, 7256, 7994, 9136, 9977, 12562, 12698, 14512, 15988, 19954, 25124, 25396, 31976, 39908, 43967, 50248, 50792, 63952, 69839, 79816, 87934, 100496, 101584, 139678, 159632, 175868, 279356, 351736, 517897, 558712, 703472, 1035794, 1117424, 2071588, 3625279, 4143176, 5696867, 7250558, 8286352, 11393734, 14501116, 22787468, 29002232, 39878069, 45574936, 58004464, 79756138, 91149872, 159512276, 319024552, 638049104]

約数ペア:

[(1, 638049104), (2, 319024552), (4, 159512276), (7, 91149872), (8, 79756138), (11, 58004464), (14, 45574936), (16, 39878069), (22, 29002232), (28, 22787468), (44, 14501116), (56, 11393734), (77, 8286352), (88, 7250558), (112, 5696867), (154, 4143176), (176, 3625279), (308, 2071588), (571, 1117424), (616, 1035794), (907, 703472), (1142, 558712), (1232, 517897), (1814, 351736), (2284, 279356), (3628, 175868), (3997, 159632), (4568, 139678), (6281, 101584), (6349, 100496), (7256, 87934), (7994, 79816), (9136, 69839), (9977, 63952), (12562, 50792), (12698, 50248), (14512, 43967), (15988, 39908), (19954, 31976), (25124, 25396)]