388551636

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2399}}^1$

素因数の和:2829

約数の個数: 72

約数和(自身を含む): 1074528000

約数和(自身を除く): 685976364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 409, 818, 1227, 1636, 2399, 2454, 3681, 4499, 4798, 4908, 7197, 7362, 8998, 9596, 13497, 14394, 14724, 17996, 21591, 26389, 26994, 28788, 40491, 43182, 52778, 53988, 79167, 80982, 86364, 105556, 158334, 161964, 237501, 316668, 475002, 950004, 981191, 1962382, 2943573, 3924764, 5887146, 8830719, 10793101, 11774292, 17661438, 21586202, 32379303, 35322876, 43172404, 64758606, 97137909, 129517212, 194275818, 388551636]

約数ペア:

[(1, 388551636), (2, 194275818), (3, 129517212), (4, 97137909), (6, 64758606), (9, 43172404), (11, 35322876), (12, 32379303), (18, 21586202), (22, 17661438), (33, 11774292), (36, 10793101), (44, 8830719), (66, 5887146), (99, 3924764), (132, 2943573), (198, 1962382), (396, 981191), (409, 950004), (818, 475002), (1227, 316668), (1636, 237501), (2399, 161964), (2454, 158334), (3681, 105556), (4499, 86364), (4798, 80982), (4908, 79167), (7197, 53988), (7362, 52778), (8998, 43182), (9596, 40491), (13497, 28788), (14394, 26994), (14724, 26389), (17996, 21591)]