78690654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2161}}^1$

素因数の和:2210

約数の個数: 72

約数和(自身を含む): 207085008

約数和(自身を除く): 128394354

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 289, 306, 357, 578, 714, 867, 1071, 1734, 2023, 2142, 2161, 2601, 4046, 4322, 5202, 6069, 6483, 12138, 12966, 15127, 18207, 19449, 30254, 36414, 36737, 38898, 45381, 73474, 90762, 110211, 136143, 220422, 257159, 272286, 330633, 514318, 624529, 661266, 771477, 1249058, 1542954, 1873587, 2314431, 3747174, 4371703, 4628862, 5620761, 8743406, 11241522, 13115109, 26230218, 39345327, 78690654]

約数ペア:

[(1, 78690654), (2, 39345327), (3, 26230218), (6, 13115109), (7, 11241522), (9, 8743406), (14, 5620761), (17, 4628862), (18, 4371703), (21, 3747174), (34, 2314431), (42, 1873587), (51, 1542954), (63, 1249058), (102, 771477), (119, 661266), (126, 624529), (153, 514318), (238, 330633), (289, 272286), (306, 257159), (357, 220422), (578, 136143), (714, 110211), (867, 90762), (1071, 73474), (1734, 45381), (2023, 38898), (2142, 36737), (2161, 36414), (2601, 30254), (4046, 19449), (4322, 18207), (5202, 15127), (6069, 12966), (6483, 12138)]