9971390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 22256640

約数和(自身を除く): 12285250

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 367, 418, 494, 715, 734, 1045, 1235, 1430, 1835, 2090, 2470, 2717, 3670, 4037, 4771, 5434, 6973, 8074, 9542, 13585, 13946, 20185, 23855, 27170, 34865, 40370, 47710, 52481, 69730, 76703, 90649, 104962, 153406, 181298, 262405, 383515, 453245, 524810, 767030, 906490, 997139, 1994278, 4985695, 9971390]

約数ペア:

[(1, 9971390), (2, 4985695), (5, 1994278), (10, 997139), (11, 906490), (13, 767030), (19, 524810), (22, 453245), (26, 383515), (38, 262405), (55, 181298), (65, 153406), (95, 104962), (110, 90649), (130, 76703), (143, 69730), (190, 52481), (209, 47710), (247, 40370), (286, 34865), (367, 27170), (418, 23855), (494, 20185), (715, 13946), (734, 13585), (1045, 9542), (1235, 8074), (1430, 6973), (1835, 5434), (2090, 4771), (2470, 4037), (2717, 3670)]