661036712

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 1436400000

約数和(自身を除く): 775363288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 227, 298, 349, 454, 596, 698, 908, 1043, 1192, 1396, 1589, 1816, 2086, 2443, 2792, 3178, 4172, 4886, 6356, 8344, 9772, 12712, 19544, 33823, 52001, 67646, 79223, 104002, 135292, 158446, 208004, 236761, 270584, 316892, 364007, 416008, 473522, 554561, 633784, 728014, 947044, 1109122, 1456028, 1894088, 2218244, 2912056, 4436488, 11804227, 23608454, 47216908, 82629589, 94433816, 165259178, 330518356, 661036712]

約数ペア:

[(1, 661036712), (2, 330518356), (4, 165259178), (7, 94433816), (8, 82629589), (14, 47216908), (28, 23608454), (56, 11804227), (149, 4436488), (227, 2912056), (298, 2218244), (349, 1894088), (454, 1456028), (596, 1109122), (698, 947044), (908, 728014), (1043, 633784), (1192, 554561), (1396, 473522), (1589, 416008), (1816, 364007), (2086, 316892), (2443, 270584), (2792, 236761), (3178, 208004), (4172, 158446), (4886, 135292), (6356, 104002), (8344, 79223), (9772, 67646), (12712, 52001), (19544, 33823)]