389767216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{701}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 835660800

約数和(自身を除く): 445893584

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 59, 62, 76, 118, 124, 152, 236, 248, 304, 472, 496, 589, 701, 944, 1121, 1178, 1402, 1829, 2242, 2356, 2804, 3658, 4484, 4712, 5608, 7316, 8968, 9424, 11216, 13319, 14632, 17936, 21731, 26638, 29264, 34751, 41359, 43462, 53276, 69502, 82718, 86924, 106552, 139004, 165436, 173848, 213104, 278008, 330872, 347696, 412889, 556016, 661744, 785821, 825778, 1282129, 1571642, 1651556, 2564258, 3143284, 3303112, 5128516, 6286568, 6606224, 10257032, 12573136, 20514064, 24360451, 48720902, 97441804, 194883608, 389767216]

約数ペア:

[(1, 389767216), (2, 194883608), (4, 97441804), (8, 48720902), (16, 24360451), (19, 20514064), (31, 12573136), (38, 10257032), (59, 6606224), (62, 6286568), (76, 5128516), (118, 3303112), (124, 3143284), (152, 2564258), (236, 1651556), (248, 1571642), (304, 1282129), (472, 825778), (496, 785821), (589, 661744), (701, 556016), (944, 412889), (1121, 347696), (1178, 330872), (1402, 278008), (1829, 213104), (2242, 173848), (2356, 165436), (2804, 139004), (3658, 106552), (4484, 86924), (4712, 82718), (5608, 69502), (7316, 53276), (8968, 43462), (9424, 41359), (11216, 34751), (13319, 29264), (14632, 26638), (17936, 21731)]