281091694

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 499322880

約数和(自身を除く): 218231186

約数列:

[1, 2, 13, 23, 26, 31, 46, 59, 62, 118, 257, 299, 403, 514, 598, 713, 767, 806, 1357, 1426, 1534, 1829, 2714, 3341, 3658, 5911, 6682, 7967, 9269, 11822, 15163, 15934, 17641, 18538, 23777, 30326, 35282, 42067, 47554, 76843, 84134, 103571, 153686, 183241, 197119, 207142, 348749, 366482, 394238, 470053, 546871, 697498, 940106, 1093742, 2382133, 4533737, 4764266, 6110689, 9067474, 10811219, 12221378, 21622438, 140545847, 281091694]

約数ペア:

[(1, 281091694), (2, 140545847), (13, 21622438), (23, 12221378), (26, 10811219), (31, 9067474), (46, 6110689), (59, 4764266), (62, 4533737), (118, 2382133), (257, 1093742), (299, 940106), (403, 697498), (514, 546871), (598, 470053), (713, 394238), (767, 366482), (806, 348749), (1357, 207142), (1426, 197119), (1534, 183241), (1829, 153686), (2714, 103571), (3341, 84134), (3658, 76843), (5911, 47554), (6682, 42067), (7967, 35282), (9269, 30326), (11822, 23777), (15163, 18538), (15934, 17641)]