72959975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:392

約数の個数: 36

約数和(自身を含む): 100931040

約数和(自身を除く): 27971065

約数列:

[1, 5, 11, 25, 55, 89, 121, 271, 275, 445, 605, 979, 1355, 2225, 2981, 3025, 4895, 6775, 10769, 14905, 24119, 24475, 32791, 53845, 74525, 120595, 163955, 265309, 269225, 602975, 819775, 1326545, 2918399, 6632725, 14591995, 72959975]

約数ペア:

[(1, 72959975), (5, 14591995), (11, 6632725), (25, 2918399), (55, 1326545), (89, 819775), (121, 602975), (271, 269225), (275, 265309), (445, 163955), (605, 120595), (979, 74525), (1355, 53845), (2225, 32791), (2981, 24475), (3025, 24119), (4895, 14905), (6775, 10769)]