678667038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{1493}}^1$

素因数の和:1721

約数の個数: 64

約数和(自身を含む): 1583400960

約数和(自身を除く): 904733922

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 137, 158, 237, 274, 411, 474, 553, 822, 959, 1106, 1493, 1659, 1918, 2877, 2986, 3318, 4479, 5754, 8958, 10451, 10823, 20902, 21646, 31353, 32469, 62706, 64938, 75761, 117947, 151522, 204541, 227283, 235894, 353841, 409082, 454566, 613623, 707682, 825629, 1227246, 1431787, 1651258, 2476887, 2863574, 4295361, 4953774, 8590722, 16158739, 32317478, 48476217, 96952434, 113111173, 226222346, 339333519, 678667038]

約数ペア:

[(1, 678667038), (2, 339333519), (3, 226222346), (6, 113111173), (7, 96952434), (14, 48476217), (21, 32317478), (42, 16158739), (79, 8590722), (137, 4953774), (158, 4295361), (237, 2863574), (274, 2476887), (411, 1651258), (474, 1431787), (553, 1227246), (822, 825629), (959, 707682), (1106, 613623), (1493, 454566), (1659, 409082), (1918, 353841), (2877, 235894), (2986, 227283), (3318, 204541), (4479, 151522), (5754, 117947), (8958, 75761), (10451, 64938), (10823, 62706), (20902, 32469), (21646, 31353)]