212914975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3019}}^1$

素因数の和:3080

約数の個数: 48

約数和(自身を含む): 335534080

約数和(自身を除く): 122619105

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 325, 403, 455, 775, 1085, 2015, 2275, 2821, 3019, 5425, 10075, 14105, 15095, 21133, 39247, 70525, 75475, 93589, 105665, 196235, 274729, 467945, 528325, 655123, 981175, 1216657, 1373645, 2339725, 3275615, 6083285, 6868225, 8516599, 16378075, 30416425, 42582995, 212914975]

約数ペア:

[(1, 212914975), (5, 42582995), (7, 30416425), (13, 16378075), (25, 8516599), (31, 6868225), (35, 6083285), (65, 3275615), (91, 2339725), (155, 1373645), (175, 1216657), (217, 981175), (325, 655123), (403, 528325), (455, 467945), (775, 274729), (1085, 196235), (2015, 105665), (2275, 93589), (2821, 75475), (3019, 70525), (5425, 39247), (10075, 21133), (14105, 15095)]