71521968

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:719

約数の個数: 120

約数和(自身を含む): 219843072

約数和(自身を除く): 148321104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 49, 56, 84, 94, 98, 112, 141, 147, 168, 188, 196, 282, 294, 329, 336, 376, 392, 564, 588, 647, 658, 752, 784, 987, 1128, 1176, 1294, 1316, 1941, 1974, 2256, 2303, 2352, 2588, 2632, 3882, 3948, 4529, 4606, 5176, 5264, 6909, 7764, 7896, 9058, 9212, 10352, 13587, 13818, 15528, 15792, 18116, 18424, 27174, 27636, 30409, 31056, 31703, 36232, 36848, 54348, 55272, 60818, 63406, 72464, 91227, 95109, 108696, 110544, 121636, 126812, 182454, 190218, 212863, 217392, 243272, 253624, 364908, 380436, 425726, 486544, 507248, 638589, 729816, 760872, 851452, 1277178, 1459632, 1490041, 1521744, 1702904, 2554356, 2980082, 3405808, 4470123, 5108712, 5960164, 8940246, 10217424, 11920328, 17880492, 23840656, 35760984, 71521968]

約数ペア:

[(1, 71521968), (2, 35760984), (3, 23840656), (4, 17880492), (6, 11920328), (7, 10217424), (8, 8940246), (12, 5960164), (14, 5108712), (16, 4470123), (21, 3405808), (24, 2980082), (28, 2554356), (42, 1702904), (47, 1521744), (48, 1490041), (49, 1459632), (56, 1277178), (84, 851452), (94, 760872), (98, 729816), (112, 638589), (141, 507248), (147, 486544), (168, 425726), (188, 380436), (196, 364908), (282, 253624), (294, 243272), (329, 217392), (336, 212863), (376, 190218), (392, 182454), (564, 126812), (588, 121636), (647, 110544), (658, 108696), (752, 95109), (784, 91227), (987, 72464), (1128, 63406), (1176, 60818), (1294, 55272), (1316, 54348), (1941, 36848), (1974, 36232), (2256, 31703), (2303, 31056), (2352, 30409), (2588, 27636), (2632, 27174), (3882, 18424), (3948, 18116), (4529, 15792), (4606, 15528), (5176, 13818), (5264, 13587), (6909, 10352), (7764, 9212), (7896, 9058)]