399947544

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{8693}}^1$

素因数の和:8782

約数の個数: 80

約数和(自身を含む): 1136131920

約数和(自身を除く): 736184376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 568, 639, 648, 852, 1278, 1704, 1917, 2556, 3834, 5112, 5751, 7668, 8693, 11502, 15336, 17386, 23004, 26079, 34772, 46008, 52158, 69544, 78237, 104316, 156474, 208632, 234711, 312948, 469422, 617203, 625896, 704133, 938844, 1234406, 1408266, 1851609, 1877688, 2468812, 2816532, 3703218, 4937624, 5554827, 5633064, 7406436, 11109654, 14812872, 16664481, 22219308, 33328962, 44438616, 49993443, 66657924, 99986886, 133315848, 199973772, 399947544]

約数ペア:

[(1, 399947544), (2, 199973772), (3, 133315848), (4, 99986886), (6, 66657924), (8, 49993443), (9, 44438616), (12, 33328962), (18, 22219308), (24, 16664481), (27, 14812872), (36, 11109654), (54, 7406436), (71, 5633064), (72, 5554827), (81, 4937624), (108, 3703218), (142, 2816532), (162, 2468812), (213, 1877688), (216, 1851609), (284, 1408266), (324, 1234406), (426, 938844), (568, 704133), (639, 625896), (648, 617203), (852, 469422), (1278, 312948), (1704, 234711), (1917, 208632), (2556, 156474), (3834, 104316), (5112, 78237), (5751, 69544), (7668, 52158), (8693, 46008), (11502, 34772), (15336, 26079), (17386, 23004)]