219431914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{4421}}^1$

素因数の和:4542

約数の個数: 32

約数和(自身を含む): 374419584

約数和(自身を除く): 154987670

約数列:

[1, 2, 13, 23, 26, 46, 83, 166, 299, 598, 1079, 1909, 2158, 3818, 4421, 8842, 24817, 49634, 57473, 101683, 114946, 203366, 366943, 733886, 1321879, 2643758, 4770259, 8439689, 9540518, 16879378, 109715957, 219431914]

約数ペア:

[(1, 219431914), (2, 109715957), (13, 16879378), (23, 9540518), (26, 8439689), (46, 4770259), (83, 2643758), (166, 1321879), (299, 733886), (598, 366943), (1079, 203366), (1909, 114946), (2158, 101683), (3818, 57473), (4421, 49634), (8842, 24817)]