389675884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 752522400

約数和(自身を除く): 362846516

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 157, 236, 314, 628, 767, 809, 1534, 1618, 2041, 3068, 3236, 4082, 8164, 9263, 10517, 18526, 21034, 37052, 42068, 47731, 95462, 120419, 127013, 190924, 240838, 254026, 481676, 508052, 620503, 1241006, 1651169, 2482012, 3302338, 6604676, 7493767, 14987534, 29975068, 97418971, 194837942, 389675884]

約数ペア:

[(1, 389675884), (2, 194837942), (4, 97418971), (13, 29975068), (26, 14987534), (52, 7493767), (59, 6604676), (118, 3302338), (157, 2482012), (236, 1651169), (314, 1241006), (628, 620503), (767, 508052), (809, 481676), (1534, 254026), (1618, 240838), (2041, 190924), (3068, 127013), (3236, 120419), (4082, 95462), (8164, 47731), (9263, 42068), (10517, 37052), (18526, 21034)]