123134128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 275607360

約数和(自身を除く): 152473232

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 97, 104, 136, 194, 208, 221, 272, 359, 388, 442, 718, 776, 884, 1261, 1436, 1552, 1649, 1768, 2522, 2872, 3298, 3536, 4667, 5044, 5744, 6103, 6596, 9334, 10088, 12206, 13192, 18668, 20176, 21437, 24412, 26384, 34823, 37336, 42874, 48824, 69646, 74672, 79339, 85748, 97648, 139292, 158678, 171496, 278584, 317356, 342992, 452699, 557168, 591991, 634712, 905398, 1183982, 1269424, 1810796, 2367964, 3621592, 4735928, 7243184, 7695883, 9471856, 15391766, 30783532, 61567064, 123134128]

約数ペア:

[(1, 123134128), (2, 61567064), (4, 30783532), (8, 15391766), (13, 9471856), (16, 7695883), (17, 7243184), (26, 4735928), (34, 3621592), (52, 2367964), (68, 1810796), (97, 1269424), (104, 1183982), (136, 905398), (194, 634712), (208, 591991), (221, 557168), (272, 452699), (359, 342992), (388, 317356), (442, 278584), (718, 171496), (776, 158678), (884, 139292), (1261, 97648), (1436, 85748), (1552, 79339), (1649, 74672), (1768, 69646), (2522, 48824), (2872, 42874), (3298, 37336), (3536, 34823), (4667, 26384), (5044, 24412), (5744, 21437), (6103, 20176), (6596, 18668), (9334, 13192), (10088, 12206)]