81319490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1043

約数の個数: 64

約数和(自身を含む): 178039296

約数和(自身を除く): 96719806

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 53, 70, 106, 115, 161, 230, 265, 322, 371, 530, 742, 805, 953, 1219, 1610, 1855, 1906, 2438, 3710, 4765, 6095, 6671, 8533, 9530, 12190, 13342, 17066, 21919, 33355, 42665, 43838, 50509, 66710, 85330, 101018, 109595, 153433, 219190, 252545, 306866, 353563, 505090, 707126, 767165, 1161707, 1534330, 1767815, 2323414, 3535630, 5808535, 8131949, 11617070, 16263898, 40659745, 81319490]

約数ペア:

[(1, 81319490), (2, 40659745), (5, 16263898), (7, 11617070), (10, 8131949), (14, 5808535), (23, 3535630), (35, 2323414), (46, 1767815), (53, 1534330), (70, 1161707), (106, 767165), (115, 707126), (161, 505090), (230, 353563), (265, 306866), (322, 252545), (371, 219190), (530, 153433), (742, 109595), (805, 101018), (953, 85330), (1219, 66710), (1610, 50509), (1855, 43838), (1906, 42665), (2438, 33355), (3710, 21919), (4765, 17066), (6095, 13342), (6671, 12190), (8533, 9530)]