247284835

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 346374144

約数和(自身を除く): 99089309

約数列:

[1, 5, 7, 35, 71, 191, 355, 497, 521, 955, 1337, 2485, 2605, 3647, 6685, 13561, 18235, 36991, 67805, 94927, 99511, 184955, 258937, 474635, 497555, 696577, 1294685, 3482885, 7065281, 35326405, 49456967, 247284835]

約数ペア:

[(1, 247284835), (5, 49456967), (7, 35326405), (35, 7065281), (71, 3482885), (191, 1294685), (355, 696577), (497, 497555), (521, 474635), (955, 258937), (1337, 184955), (2485, 99511), (2605, 94927), (3647, 67805), (6685, 36991), (13561, 18235)]