28376404

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 58665600

約数和(自身を除く): 30289196

約数列:

[1, 2, 4, 7, 14, 28, 59, 89, 118, 178, 193, 236, 356, 386, 413, 623, 772, 826, 1246, 1351, 1652, 2492, 2702, 5251, 5404, 10502, 11387, 17177, 21004, 22774, 34354, 36757, 45548, 68708, 73514, 79709, 120239, 147028, 159418, 240478, 318836, 480956, 1013443, 2026886, 4053772, 7094101, 14188202, 28376404]

約数ペア:

[(1, 28376404), (2, 14188202), (4, 7094101), (7, 4053772), (14, 2026886), (28, 1013443), (59, 480956), (89, 318836), (118, 240478), (178, 159418), (193, 147028), (236, 120239), (356, 79709), (386, 73514), (413, 68708), (623, 45548), (772, 36757), (826, 34354), (1246, 22774), (1351, 21004), (1652, 17177), (2492, 11387), (2702, 10502), (5251, 5404)]