28713412

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 64350720

約数和(自身を除く): 35637308

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 59, 91, 98, 118, 182, 191, 196, 236, 364, 382, 413, 637, 764, 767, 826, 1274, 1337, 1534, 1652, 2483, 2548, 2674, 2891, 3068, 4966, 5348, 5369, 5782, 9359, 9932, 10738, 11269, 11564, 17381, 18718, 21476, 22538, 34762, 37436, 37583, 45076, 69524, 75166, 78883, 121667, 146497, 150332, 157766, 243334, 292994, 315532, 486668, 552181, 585988, 1025479, 1104362, 2050958, 2208724, 4101916, 7178353, 14356706, 28713412]

約数ペア:

[(1, 28713412), (2, 14356706), (4, 7178353), (7, 4101916), (13, 2208724), (14, 2050958), (26, 1104362), (28, 1025479), (49, 585988), (52, 552181), (59, 486668), (91, 315532), (98, 292994), (118, 243334), (182, 157766), (191, 150332), (196, 146497), (236, 121667), (364, 78883), (382, 75166), (413, 69524), (637, 45076), (764, 37583), (767, 37436), (826, 34762), (1274, 22538), (1337, 21476), (1534, 18718), (1652, 17381), (2483, 11564), (2548, 11269), (2674, 10738), (2891, 9932), (3068, 9359), (4966, 5782), (5348, 5369)]