25004988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 67267200

約数和(自身を除く): 42262212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 228, 263, 278, 342, 417, 526, 556, 684, 789, 834, 1052, 1251, 1578, 1668, 2367, 2502, 2641, 3156, 4734, 4997, 5004, 5282, 7923, 9468, 9994, 10564, 14991, 15846, 19988, 23769, 29982, 31692, 36557, 44973, 47538, 59964, 73114, 89946, 95076, 109671, 146228, 179892, 219342, 329013, 438684, 658026, 694583, 1316052, 1389166, 2083749, 2778332, 4167498, 6251247, 8334996, 12502494, 25004988]

約数ペア:

[(1, 25004988), (2, 12502494), (3, 8334996), (4, 6251247), (6, 4167498), (9, 2778332), (12, 2083749), (18, 1389166), (19, 1316052), (36, 694583), (38, 658026), (57, 438684), (76, 329013), (114, 219342), (139, 179892), (171, 146228), (228, 109671), (263, 95076), (278, 89946), (342, 73114), (417, 59964), (526, 47538), (556, 44973), (684, 36557), (789, 31692), (834, 29982), (1052, 23769), (1251, 19988), (1578, 15846), (1668, 14991), (2367, 10564), (2502, 9994), (2641, 9468), (3156, 7923), (4734, 5282), (4997, 5004)]