25149996

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 67878720

約数和(自身を除く): 42728724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 83, 114, 166, 171, 228, 249, 332, 342, 443, 498, 684, 747, 886, 996, 1329, 1494, 1577, 1772, 2658, 2988, 3154, 3987, 4731, 5316, 6308, 7974, 8417, 9462, 14193, 15948, 16834, 18924, 25251, 28386, 33668, 36769, 50502, 56772, 73538, 75753, 101004, 110307, 147076, 151506, 220614, 303012, 330921, 441228, 661842, 698611, 1323684, 1397222, 2095833, 2794444, 4191666, 6287499, 8383332, 12574998, 25149996]

約数ペア:

[(1, 25149996), (2, 12574998), (3, 8383332), (4, 6287499), (6, 4191666), (9, 2794444), (12, 2095833), (18, 1397222), (19, 1323684), (36, 698611), (38, 661842), (57, 441228), (76, 330921), (83, 303012), (114, 220614), (166, 151506), (171, 147076), (228, 110307), (249, 101004), (332, 75753), (342, 73538), (443, 56772), (498, 50502), (684, 36769), (747, 33668), (886, 28386), (996, 25251), (1329, 18924), (1494, 16834), (1577, 15948), (1772, 14193), (2658, 9462), (2988, 8417), (3154, 7974), (3987, 6308), (4731, 5316)]