221519486

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1237}}^1$

素因数の和:1508

約数の個数: 32

約数和(自身を含む): 369023040

約数和(自身を除く): 147503554

約数列:

[1, 2, 17, 23, 34, 46, 229, 391, 458, 782, 1237, 2474, 3893, 5267, 7786, 10534, 21029, 28451, 42058, 56902, 89539, 179078, 283273, 483667, 566546, 967334, 4815641, 6515279, 9631282, 13030558, 110759743, 221519486]

約数ペア:

[(1, 221519486), (2, 110759743), (17, 13030558), (23, 9631282), (34, 6515279), (46, 4815641), (229, 967334), (391, 566546), (458, 483667), (782, 283273), (1237, 179078), (2474, 89539), (3893, 56902), (5267, 42058), (7786, 28451), (10534, 21029)]