123025328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1669}}^1$

素因数の和:1965

約数の個数: 40

約数和(自身を含む): 253465920

約数和(自身を除く): 130440592

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 271, 272, 542, 1084, 1669, 2168, 3338, 4336, 4607, 6676, 9214, 13352, 18428, 26704, 28373, 36856, 56746, 73712, 113492, 226984, 452299, 453968, 904598, 1809196, 3618392, 7236784, 7689083, 15378166, 30756332, 61512664, 123025328]

約数ペア:

[(1, 123025328), (2, 61512664), (4, 30756332), (8, 15378166), (16, 7689083), (17, 7236784), (34, 3618392), (68, 1809196), (136, 904598), (271, 453968), (272, 452299), (542, 226984), (1084, 113492), (1669, 73712), (2168, 56746), (3338, 36856), (4336, 28373), (4607, 26704), (6676, 18428), (9214, 13352)]