654323930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{70891}}^1$

素因数の和:70982

約数の個数: 32

約数和(自身を含む): 1286264448

約数和(自身を除く): 631940518

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 70891, 141782, 354455, 708910, 921583, 1843166, 4607915, 5033261, 9215830, 10066522, 25166305, 50332610, 65432393, 130864786, 327161965, 654323930]

約数ペア:

[(1, 654323930), (2, 327161965), (5, 130864786), (10, 65432393), (13, 50332610), (26, 25166305), (65, 10066522), (71, 9215830), (130, 5033261), (142, 4607915), (355, 1843166), (710, 921583), (923, 708910), (1846, 354455), (4615, 141782), (9230, 70891)]