222470521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 281594880

約数和(自身を除く): 59124359

約数列:

[1, 7, 13, 53, 91, 193, 239, 371, 689, 1351, 1673, 2509, 3107, 4823, 10229, 12667, 17563, 21749, 46127, 71603, 88669, 132977, 164671, 322889, 599651, 930839, 1152697, 2444731, 4197557, 17113117, 31781503, 222470521]

約数ペア:

[(1, 222470521), (7, 31781503), (13, 17113117), (53, 4197557), (91, 2444731), (193, 1152697), (239, 930839), (371, 599651), (689, 322889), (1351, 164671), (1673, 132977), (2509, 88669), (3107, 71603), (4823, 46127), (10229, 21749), (12667, 17563)]