28407136

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 60056640

約数和(自身を除く): 31649504

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 79, 136, 158, 272, 316, 544, 632, 661, 1264, 1322, 1343, 2528, 2644, 2686, 5288, 5372, 10576, 10744, 11237, 21152, 21488, 22474, 42976, 44948, 52219, 89896, 104438, 179792, 208876, 359584, 417752, 835504, 887723, 1671008, 1775446, 3550892, 7101784, 14203568, 28407136]

約数ペア:

[(1, 28407136), (2, 14203568), (4, 7101784), (8, 3550892), (16, 1775446), (17, 1671008), (32, 887723), (34, 835504), (68, 417752), (79, 359584), (136, 208876), (158, 179792), (272, 104438), (316, 89896), (544, 52219), (632, 44948), (661, 42976), (1264, 22474), (1322, 21488), (1343, 21152), (2528, 11237), (2644, 10744), (2686, 10576), (5288, 5372)]