25867816

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 56475630

約数和(自身を除く): 30607814

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 53, 76, 104, 106, 152, 169, 212, 247, 338, 361, 424, 494, 676, 689, 722, 988, 1007, 1352, 1378, 1444, 1976, 2014, 2756, 2888, 3211, 4028, 4693, 5512, 6422, 8056, 8957, 9386, 12844, 13091, 17914, 18772, 19133, 25688, 26182, 35828, 37544, 38266, 52364, 61009, 71656, 76532, 104728, 122018, 153064, 170183, 244036, 248729, 340366, 488072, 497458, 680732, 994916, 1361464, 1989832, 3233477, 6466954, 12933908, 25867816]

約数ペア:

[(1, 25867816), (2, 12933908), (4, 6466954), (8, 3233477), (13, 1989832), (19, 1361464), (26, 994916), (38, 680732), (52, 497458), (53, 488072), (76, 340366), (104, 248729), (106, 244036), (152, 170183), (169, 153064), (212, 122018), (247, 104728), (338, 76532), (361, 71656), (424, 61009), (494, 52364), (676, 38266), (689, 37544), (722, 35828), (988, 26182), (1007, 25688), (1352, 19133), (1378, 18772), (1444, 17914), (1976, 13091), (2014, 12844), (2756, 9386), (2888, 8957), (3211, 8056), (4028, 6422), (4693, 5512)]