381418744

素因数分解:

$2^3\times 7^3\times {\mathrm{97}}^1\times {\mathrm{1433}}^1$

素因数の和:1557

約数の個数: 64

約数和(自身を含む): 843192000

約数和(自身を除く): 461773256

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 97, 98, 194, 196, 343, 388, 392, 679, 686, 776, 1358, 1372, 1433, 2716, 2744, 2866, 4753, 5432, 5732, 9506, 10031, 11464, 19012, 20062, 33271, 38024, 40124, 66542, 70217, 80248, 133084, 139001, 140434, 266168, 278002, 280868, 491519, 556004, 561736, 973007, 983038, 1112008, 1946014, 1966076, 3892028, 3932152, 6811049, 7784056, 13622098, 27244196, 47677343, 54488392, 95354686, 190709372, 381418744]

約数ペア:

[(1, 381418744), (2, 190709372), (4, 95354686), (7, 54488392), (8, 47677343), (14, 27244196), (28, 13622098), (49, 7784056), (56, 6811049), (97, 3932152), (98, 3892028), (194, 1966076), (196, 1946014), (343, 1112008), (388, 983038), (392, 973007), (679, 561736), (686, 556004), (776, 491519), (1358, 280868), (1372, 278002), (1433, 266168), (2716, 140434), (2744, 139001), (2866, 133084), (4753, 80248), (5432, 70217), (5732, 66542), (9506, 40124), (10031, 38024), (11464, 33271), (19012, 20062)]