2478388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 5160960

約数和(自身を除く): 2682572

約数列:

[1, 2, 4, 11, 22, 23, 31, 44, 46, 62, 79, 92, 124, 158, 253, 316, 341, 506, 682, 713, 869, 1012, 1364, 1426, 1738, 1817, 2449, 2852, 3476, 3634, 4898, 7268, 7843, 9796, 15686, 19987, 26939, 31372, 39974, 53878, 56327, 79948, 107756, 112654, 225308, 619597, 1239194, 2478388]

約数ペア:

[(1, 2478388), (2, 1239194), (4, 619597), (11, 225308), (22, 112654), (23, 107756), (31, 79948), (44, 56327), (46, 53878), (62, 39974), (79, 31372), (92, 26939), (124, 19987), (158, 15686), (253, 9796), (316, 7843), (341, 7268), (506, 4898), (682, 3634), (713, 3476), (869, 2852), (1012, 2449), (1364, 1817), (1426, 1738)]