31201378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 51996672

約数和(自身を除く): 20795294

約数列:

[1, 2, 13, 26, 61, 103, 122, 191, 206, 382, 793, 1339, 1586, 2483, 2678, 4966, 6283, 11651, 12566, 19673, 23302, 39346, 81679, 151463, 163358, 255749, 302926, 511498, 1200053, 2400106, 15600689, 31201378]

約数ペア:

[(1, 31201378), (2, 15600689), (13, 2400106), (26, 1200053), (61, 511498), (103, 302926), (122, 255749), (191, 163358), (206, 151463), (382, 81679), (793, 39346), (1339, 23302), (1586, 19673), (2483, 12566), (2678, 11651), (4966, 6283)]