261187648

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2801}}^1$

素因数の和:2891

約数の個数: 56

約数和(自身を含む): 546591744

約数和(自身を除く): 285404096

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 188, 248, 376, 496, 752, 992, 1457, 1504, 1984, 2801, 2914, 3008, 5602, 5828, 11204, 11656, 22408, 23312, 44816, 46624, 86831, 89632, 93248, 131647, 173662, 179264, 263294, 347324, 526588, 694648, 1053176, 1389296, 2106352, 2778592, 4081057, 4212704, 5557184, 8162114, 8425408, 16324228, 32648456, 65296912, 130593824, 261187648]

約数ペア:

[(1, 261187648), (2, 130593824), (4, 65296912), (8, 32648456), (16, 16324228), (31, 8425408), (32, 8162114), (47, 5557184), (62, 4212704), (64, 4081057), (94, 2778592), (124, 2106352), (188, 1389296), (248, 1053176), (376, 694648), (496, 526588), (752, 347324), (992, 263294), (1457, 179264), (1504, 173662), (1984, 131647), (2801, 93248), (2914, 89632), (3008, 86831), (5602, 46624), (5828, 44816), (11204, 23312), (11656, 22408)]