1987411790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2183969}}^1$

素因数の和:2183996

約数の個数: 32

約数和(自身を含む): 4402883520

約数和(自身を除く): 2415471730

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 2183969, 4367938, 10919845, 15287783, 21839690, 28391597, 30575566, 56783194, 76438915, 141957985, 152877830, 198741179, 283915970, 397482358, 993705895, 1987411790]

約数ペア:

[(1, 1987411790), (2, 993705895), (5, 397482358), (7, 283915970), (10, 198741179), (13, 152877830), (14, 141957985), (26, 76438915), (35, 56783194), (65, 30575566), (70, 28391597), (91, 21839690), (130, 15287783), (182, 10919845), (455, 4367938), (910, 2183969)]