221465330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{16417}}^1$

素因数の和:16514

約数の個数: 32

約数和(自身を含む): 425554560

約数和(自身を除く): 204089230

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 16417, 32834, 82085, 164170, 311923, 623846, 1165607, 1559615, 2331214, 3119230, 5828035, 11656070, 22146533, 44293066, 110732665, 221465330]

約数ペア:

[(1, 221465330), (2, 110732665), (5, 44293066), (10, 22146533), (19, 11656070), (38, 5828035), (71, 3119230), (95, 2331214), (142, 1559615), (190, 1165607), (355, 623846), (710, 311923), (1349, 164170), (2698, 82085), (6745, 32834), (13490, 16417)]