128766242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 215611200

約数和(自身を除く): 86844958

約数列:

[1, 2, 11, 22, 61, 122, 229, 419, 458, 671, 838, 1342, 2519, 4609, 5038, 9218, 13969, 25559, 27938, 51118, 95951, 153659, 191902, 281149, 307318, 562298, 1055461, 2110922, 5853011, 11706022, 64383121, 128766242]

約数ペア:

[(1, 128766242), (2, 64383121), (11, 11706022), (22, 5853011), (61, 2110922), (122, 1055461), (229, 562298), (419, 307318), (458, 281149), (671, 191902), (838, 153659), (1342, 95951), (2519, 51118), (4609, 27938), (5038, 25559), (9218, 13969)]