81943295

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{827}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 119232000

約数和(自身を除く): 37288705

約数列:

[1, 5, 7, 19, 35, 95, 133, 149, 665, 745, 827, 1043, 2831, 4135, 5215, 5789, 14155, 15713, 19817, 28945, 78565, 99085, 109991, 123223, 549955, 616115, 862561, 2341237, 4312805, 11706185, 16388659, 81943295]

約数ペア:

[(1, 81943295), (5, 16388659), (7, 11706185), (19, 4312805), (35, 2341237), (95, 862561), (133, 616115), (149, 549955), (665, 123223), (745, 109991), (827, 99085), (1043, 78565), (2831, 28945), (4135, 19817), (5215, 15713), (5789, 14155)]