78428735

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 129890304

約数和(自身を除く): 51461569

約数列:

[1, 5, 7, 11, 17, 23, 35, 55, 77, 85, 115, 119, 161, 187, 253, 385, 391, 521, 595, 805, 935, 1265, 1309, 1771, 1955, 2605, 2737, 3647, 4301, 5731, 6545, 8855, 8857, 11983, 13685, 18235, 21505, 28655, 30107, 40117, 44285, 59915, 61999, 83881, 97427, 131813, 150535, 200585, 203711, 309995, 419405, 487135, 659065, 681989, 922691, 1018555, 1425977, 2240821, 3409945, 4613455, 7129885, 11204105, 15685747, 78428735]

約数ペア:

[(1, 78428735), (5, 15685747), (7, 11204105), (11, 7129885), (17, 4613455), (23, 3409945), (35, 2240821), (55, 1425977), (77, 1018555), (85, 922691), (115, 681989), (119, 659065), (161, 487135), (187, 419405), (253, 309995), (385, 203711), (391, 200585), (521, 150535), (595, 131813), (805, 97427), (935, 83881), (1265, 61999), (1309, 59915), (1771, 44285), (1955, 40117), (2605, 30107), (2737, 28655), (3647, 21505), (4301, 18235), (5731, 13685), (6545, 11983), (8855, 8857)]