138777472

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{8537}}^1$

素因数の和:8678

約数の個数: 32

約数和(自身を含む): 278680320

約数和(自身を除く): 139902848

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 8128, 8537, 16256, 17074, 34148, 68296, 136592, 273184, 546368, 1084199, 1092736, 2168398, 4336796, 8673592, 17347184, 34694368, 69388736, 138777472]

約数ペア:

[(1, 138777472), (2, 69388736), (4, 34694368), (8, 17347184), (16, 8673592), (32, 4336796), (64, 2168398), (127, 1092736), (128, 1084199), (254, 546368), (508, 273184), (1016, 136592), (2032, 68296), (4064, 34148), (8128, 17074), (8537, 16256)]