28504212

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 74450208

約数和(自身を除く): 45945996

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 67, 121, 132, 134, 201, 242, 268, 293, 363, 402, 484, 586, 726, 737, 804, 879, 1172, 1452, 1474, 1758, 2211, 2948, 3223, 3516, 4422, 6446, 8107, 8844, 9669, 12892, 16214, 19338, 19631, 24321, 32428, 35453, 38676, 39262, 48642, 58893, 70906, 78524, 97284, 106359, 117786, 141812, 212718, 215941, 235572, 425436, 431882, 647823, 863764, 1295646, 2375351, 2591292, 4750702, 7126053, 9501404, 14252106, 28504212]

約数ペア:

[(1, 28504212), (2, 14252106), (3, 9501404), (4, 7126053), (6, 4750702), (11, 2591292), (12, 2375351), (22, 1295646), (33, 863764), (44, 647823), (66, 431882), (67, 425436), (121, 235572), (132, 215941), (134, 212718), (201, 141812), (242, 117786), (268, 106359), (293, 97284), (363, 78524), (402, 70906), (484, 58893), (586, 48642), (726, 39262), (737, 38676), (804, 35453), (879, 32428), (1172, 24321), (1452, 19631), (1474, 19338), (1758, 16214), (2211, 12892), (2948, 9669), (3223, 8844), (3516, 8107), (4422, 6446)]