84202105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 116127648

約数和(自身を除く): 31925543

約数列:

[1, 5, 13, 17, 65, 85, 181, 221, 421, 905, 1105, 2105, 2353, 3077, 5473, 7157, 11765, 15385, 27365, 35785, 40001, 76201, 93041, 200005, 381005, 465205, 990613, 1295417, 4953065, 6477085, 16840421, 84202105]

約数ペア:

[(1, 84202105), (5, 16840421), (13, 6477085), (17, 4953065), (65, 1295417), (85, 990613), (181, 465205), (221, 381005), (421, 200005), (905, 93041), (1105, 76201), (2105, 40001), (2353, 35785), (3077, 27365), (5473, 15385), (7157, 11765)]