81396912

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 223200000

約数和(自身を除く): 141803088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 149, 152, 228, 298, 304, 447, 456, 596, 599, 894, 912, 1192, 1198, 1788, 1797, 2384, 2396, 2831, 3576, 3594, 4792, 5662, 7152, 7188, 8493, 9584, 11324, 11381, 14376, 16986, 22648, 22762, 28752, 33972, 34143, 45296, 45524, 67944, 68286, 89251, 91048, 135888, 136572, 178502, 182096, 267753, 273144, 357004, 535506, 546288, 714008, 1071012, 1428016, 1695769, 2142024, 3391538, 4284048, 5087307, 6783076, 10174614, 13566152, 20349228, 27132304, 40698456, 81396912]

約数ペア:

[(1, 81396912), (2, 40698456), (3, 27132304), (4, 20349228), (6, 13566152), (8, 10174614), (12, 6783076), (16, 5087307), (19, 4284048), (24, 3391538), (38, 2142024), (48, 1695769), (57, 1428016), (76, 1071012), (114, 714008), (149, 546288), (152, 535506), (228, 357004), (298, 273144), (304, 267753), (447, 182096), (456, 178502), (596, 136572), (599, 135888), (894, 91048), (912, 89251), (1192, 68286), (1198, 67944), (1788, 45524), (1797, 45296), (2384, 34143), (2396, 33972), (2831, 28752), (3576, 22762), (3594, 22648), (4792, 16986), (5662, 14376), (7152, 11381), (7188, 11324), (8493, 9584)]