247940792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 522685440

約数和(自身を除く): 274744648

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 151, 188, 302, 376, 397, 517, 604, 794, 1034, 1208, 1588, 1661, 2068, 3176, 3322, 4136, 4367, 6644, 7097, 8734, 13288, 14194, 17468, 18659, 28388, 34936, 37318, 56776, 59947, 74636, 78067, 119894, 149272, 156134, 205249, 239788, 312268, 410498, 479576, 624536, 659417, 820996, 1318834, 1641992, 2637668, 2817509, 5275336, 5635018, 11270036, 22540072, 30992599, 61985198, 123970396, 247940792]

約数ペア:

[(1, 247940792), (2, 123970396), (4, 61985198), (8, 30992599), (11, 22540072), (22, 11270036), (44, 5635018), (47, 5275336), (88, 2817509), (94, 2637668), (151, 1641992), (188, 1318834), (302, 820996), (376, 659417), (397, 624536), (517, 479576), (604, 410498), (794, 312268), (1034, 239788), (1208, 205249), (1588, 156134), (1661, 149272), (2068, 119894), (3176, 78067), (3322, 74636), (4136, 59947), (4367, 56776), (6644, 37318), (7097, 34936), (8734, 28388), (13288, 18659), (14194, 17468)]