781989632

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{467}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 1622380032

約数和(自身を除く): 840390400

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 211, 248, 256, 422, 467, 496, 844, 934, 992, 1688, 1868, 1984, 3376, 3736, 3968, 6541, 6752, 7472, 7936, 13082, 13504, 14477, 14944, 26164, 27008, 28954, 29888, 52328, 54016, 57908, 59776, 98537, 104656, 115816, 119552, 197074, 209312, 231632, 394148, 418624, 463264, 788296, 837248, 926528, 1576592, 1674496, 1853056, 3054647, 3153184, 3706112, 6109294, 6306368, 12218588, 12612736, 24437176, 25225472, 48874352, 97748704, 195497408, 390994816, 781989632]

約数ペア:

[(1, 781989632), (2, 390994816), (4, 195497408), (8, 97748704), (16, 48874352), (31, 25225472), (32, 24437176), (62, 12612736), (64, 12218588), (124, 6306368), (128, 6109294), (211, 3706112), (248, 3153184), (256, 3054647), (422, 1853056), (467, 1674496), (496, 1576592), (844, 926528), (934, 837248), (992, 788296), (1688, 463264), (1868, 418624), (1984, 394148), (3376, 231632), (3736, 209312), (3968, 197074), (6541, 119552), (6752, 115816), (7472, 104656), (7936, 98537), (13082, 59776), (13504, 57908), (14477, 54016), (14944, 52328), (26164, 29888), (27008, 28954)]