16730890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 36391680

約数和(自身を除く): 19660790

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 85, 110, 115, 170, 187, 230, 253, 374, 389, 391, 506, 778, 782, 935, 1265, 1870, 1945, 1955, 2530, 3890, 3910, 4279, 4301, 6613, 8558, 8602, 8947, 13226, 17894, 21395, 21505, 33065, 42790, 43010, 44735, 66130, 72743, 89470, 98417, 145486, 152099, 196834, 304198, 363715, 492085, 727430, 760495, 984170, 1520990, 1673089, 3346178, 8365445, 16730890]

約数ペア:

[(1, 16730890), (2, 8365445), (5, 3346178), (10, 1673089), (11, 1520990), (17, 984170), (22, 760495), (23, 727430), (34, 492085), (46, 363715), (55, 304198), (85, 196834), (110, 152099), (115, 145486), (170, 98417), (187, 89470), (230, 72743), (253, 66130), (374, 44735), (389, 43010), (391, 42790), (506, 33065), (778, 21505), (782, 21395), (935, 17894), (1265, 13226), (1870, 8947), (1945, 8602), (1955, 8558), (2530, 6613), (3890, 4301), (3910, 4279)]