12778890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6983}}^1$

素因数の和:7054

約数の個数: 32

約数和(自身を含む): 31176576

約数和(自身を除く): 18397686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 6983, 13966, 20949, 34915, 41898, 69830, 104745, 209490, 425963, 851926, 1277889, 2129815, 2555778, 4259630, 6389445, 12778890]

約数ペア:

[(1, 12778890), (2, 6389445), (3, 4259630), (5, 2555778), (6, 2129815), (10, 1277889), (15, 851926), (30, 425963), (61, 209490), (122, 104745), (183, 69830), (305, 41898), (366, 34915), (610, 20949), (915, 13966), (1830, 6983)]