81780294

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 180725760

約数和(自身を除く): 98945466

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 73, 93, 114, 146, 186, 219, 317, 438, 589, 634, 951, 1178, 1387, 1767, 1902, 2263, 2774, 3534, 4161, 4526, 6023, 6789, 8322, 9827, 12046, 13578, 18069, 19654, 23141, 29481, 36138, 42997, 46282, 58962, 69423, 85994, 128991, 138846, 186713, 257982, 373426, 439679, 560139, 717371, 879358, 1120278, 1319037, 1434742, 2152113, 2638074, 4304226, 13630049, 27260098, 40890147, 81780294]

約数ペア:

[(1, 81780294), (2, 40890147), (3, 27260098), (6, 13630049), (19, 4304226), (31, 2638074), (38, 2152113), (57, 1434742), (62, 1319037), (73, 1120278), (93, 879358), (114, 717371), (146, 560139), (186, 439679), (219, 373426), (317, 257982), (438, 186713), (589, 138846), (634, 128991), (951, 85994), (1178, 69423), (1387, 58962), (1767, 46282), (1902, 42997), (2263, 36138), (2774, 29481), (3534, 23141), (4161, 19654), (4526, 18069), (6023, 13578), (6789, 12046), (8322, 9827)]