28629132

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 78427440

約数和(自身を除く): 49798308

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 181, 196, 269, 294, 362, 538, 543, 588, 724, 807, 1076, 1086, 1267, 1614, 1883, 2172, 2534, 3228, 3766, 3801, 5068, 5649, 7532, 7602, 8869, 11298, 13181, 15204, 17738, 22596, 26362, 26607, 35476, 39543, 48689, 52724, 53214, 79086, 97378, 106428, 146067, 158172, 194756, 292134, 340823, 584268, 681646, 1022469, 1363292, 2044938, 2385761, 4089876, 4771522, 7157283, 9543044, 14314566, 28629132]

約数ペア:

[(1, 28629132), (2, 14314566), (3, 9543044), (4, 7157283), (6, 4771522), (7, 4089876), (12, 2385761), (14, 2044938), (21, 1363292), (28, 1022469), (42, 681646), (49, 584268), (84, 340823), (98, 292134), (147, 194756), (181, 158172), (196, 146067), (269, 106428), (294, 97378), (362, 79086), (538, 53214), (543, 52724), (588, 48689), (724, 39543), (807, 35476), (1076, 26607), (1086, 26362), (1267, 22596), (1614, 17738), (1883, 15204), (2172, 13181), (2534, 11298), (3228, 8869), (3766, 7602), (3801, 7532), (5068, 5649)]