26666728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 32301272

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 41, 44, 76, 82, 88, 152, 164, 209, 328, 389, 418, 451, 778, 779, 836, 902, 1556, 1558, 1672, 1804, 3112, 3116, 3608, 4279, 6232, 7391, 8558, 8569, 14782, 15949, 17116, 17138, 29564, 31898, 34232, 34276, 59128, 63796, 68552, 81301, 127592, 162602, 175439, 303031, 325204, 350878, 606062, 650408, 701756, 1212124, 1403512, 2424248, 3333341, 6666682, 13333364, 26666728]

約数ペア:

[(1, 26666728), (2, 13333364), (4, 6666682), (8, 3333341), (11, 2424248), (19, 1403512), (22, 1212124), (38, 701756), (41, 650408), (44, 606062), (76, 350878), (82, 325204), (88, 303031), (152, 175439), (164, 162602), (209, 127592), (328, 81301), (389, 68552), (418, 63796), (451, 59128), (778, 34276), (779, 34232), (836, 31898), (902, 29564), (1556, 17138), (1558, 17116), (1672, 15949), (1804, 14782), (3112, 8569), (3116, 8558), (3608, 7391), (4279, 6232)]