9981790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1567}}^1$

素因数の和:1601

約数の個数: 48

約数和(自身を含む): 22522752

約数和(自身を除く): 12540962

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 1567, 3134, 3185, 6370, 7835, 10969, 15670, 20371, 21938, 40742, 54845, 76783, 101855, 109690, 142597, 153566, 203710, 285194, 383915, 712985, 767830, 998179, 1425970, 1996358, 4990895, 9981790]

約数ペア:

[(1, 9981790), (2, 4990895), (5, 1996358), (7, 1425970), (10, 998179), (13, 767830), (14, 712985), (26, 383915), (35, 285194), (49, 203710), (65, 153566), (70, 142597), (91, 109690), (98, 101855), (130, 76783), (182, 54845), (245, 40742), (455, 21938), (490, 20371), (637, 15670), (910, 10969), (1274, 7835), (1567, 6370), (3134, 3185)]