218025728

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 456024576

約数和(自身を除く): 237998848

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 128, 166, 248, 256, 331, 332, 496, 662, 664, 992, 1324, 1328, 1984, 2573, 2648, 2656, 3968, 5146, 5296, 5312, 7936, 10261, 10292, 10592, 10624, 20522, 20584, 21184, 21248, 27473, 41044, 41168, 42368, 54946, 82088, 82336, 84736, 109892, 164176, 164672, 219784, 328352, 329344, 439568, 656704, 658688, 851663, 879136, 1313408, 1703326, 1758272, 2626816, 3406652, 3516544, 6813304, 7033088, 13626608, 27253216, 54506432, 109012864, 218025728]

約数ペア:

[(1, 218025728), (2, 109012864), (4, 54506432), (8, 27253216), (16, 13626608), (31, 7033088), (32, 6813304), (62, 3516544), (64, 3406652), (83, 2626816), (124, 1758272), (128, 1703326), (166, 1313408), (248, 879136), (256, 851663), (331, 658688), (332, 656704), (496, 439568), (662, 329344), (664, 328352), (992, 219784), (1324, 164672), (1328, 164176), (1984, 109892), (2573, 84736), (2648, 82336), (2656, 82088), (3968, 54946), (5146, 42368), (5296, 41168), (5312, 41044), (7936, 27473), (10261, 21248), (10292, 21184), (10592, 20584), (10624, 20522)]