487409975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1877}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 704204928

約数和(自身を除く): 216794953

約数列:

[1, 5, 13, 17, 25, 47, 65, 85, 221, 235, 325, 425, 611, 799, 1105, 1175, 1877, 3055, 3995, 5525, 9385, 10387, 15275, 19975, 24401, 31909, 46925, 51935, 88219, 122005, 159545, 259675, 414817, 441095, 610025, 797725, 1146847, 1499723, 2074085, 2205475, 5734235, 7498615, 10370425, 19496399, 28671175, 37493075, 97481995, 487409975]

約数ペア:

[(1, 487409975), (5, 97481995), (13, 37493075), (17, 28671175), (25, 19496399), (47, 10370425), (65, 7498615), (85, 5734235), (221, 2205475), (235, 2074085), (325, 1499723), (425, 1146847), (611, 797725), (799, 610025), (1105, 441095), (1175, 414817), (1877, 259675), (3055, 159545), (3995, 122005), (5525, 88219), (9385, 51935), (10387, 46925), (15275, 31909), (19975, 24401)]