9899006975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1193}}^1$

素因数の和:1449

約数の個数: 72

約数和(自身を含む): 14611054416

約数和(自身を除く): 4712047441

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 211, 275, 325, 605, 715, 1055, 1193, 1573, 2321, 2743, 3025, 3575, 5275, 5965, 7865, 11605, 13123, 13715, 15509, 25531, 29825, 30173, 39325, 58025, 65615, 68575, 77545, 127655, 144353, 150865, 170599, 251723, 328075, 331903, 387725, 638275, 721765, 754325, 852995, 1258615, 1659515, 1876589, 2768953, 3272399, 3608825, 4264975, 6293075, 8297575, 9382945, 13844765, 16361995, 30458483, 35996389, 46914725, 69223825, 81809975, 152292415, 179981945, 395960279, 761462075, 899909725, 1979801395, 9899006975]

約数ペア:

[(1, 9899006975), (5, 1979801395), (11, 899909725), (13, 761462075), (25, 395960279), (55, 179981945), (65, 152292415), (121, 81809975), (143, 69223825), (211, 46914725), (275, 35996389), (325, 30458483), (605, 16361995), (715, 13844765), (1055, 9382945), (1193, 8297575), (1573, 6293075), (2321, 4264975), (2743, 3608825), (3025, 3272399), (3575, 2768953), (5275, 1876589), (5965, 1659515), (7865, 1258615), (11605, 852995), (13123, 754325), (13715, 721765), (15509, 638275), (25531, 387725), (29825, 331903), (30173, 328075), (39325, 251723), (58025, 170599), (65615, 150865), (68575, 144353), (77545, 127655)]