28406620795

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{23203}}^1$

素因数の和:23504

約数の個数: 48

約数和(自身を含む): 41900855040

約数和(自身を除く): 13494234245

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 263, 665, 931, 1315, 1841, 4655, 4997, 9205, 12887, 23203, 24985, 34979, 64435, 116015, 162421, 174895, 244853, 440857, 812105, 1136947, 1224265, 2204285, 3085999, 5684735, 6102389, 15429995, 21601993, 30511945, 42716723, 108009965, 115945391, 213583615, 299017061, 579726955, 811617737, 1495085305, 4058088685, 5681324159, 28406620795]

約数ペア:

[(1, 28406620795), (5, 5681324159), (7, 4058088685), (19, 1495085305), (35, 811617737), (49, 579726955), (95, 299017061), (133, 213583615), (245, 115945391), (263, 108009965), (665, 42716723), (931, 30511945), (1315, 21601993), (1841, 15429995), (4655, 6102389), (4997, 5684735), (9205, 3085999), (12887, 2204285), (23203, 1224265), (24985, 1136947), (34979, 812105), (64435, 440857), (116015, 244853), (162421, 174895)]