28720324

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 55742400

約数和(自身を除く): 27022076

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 83, 116, 157, 166, 314, 332, 551, 628, 1102, 1577, 2204, 2407, 2983, 3154, 4553, 4814, 5966, 6308, 9106, 9628, 11932, 13031, 18212, 26062, 45733, 52124, 86507, 91466, 173014, 182932, 247589, 346028, 377899, 495178, 755798, 990356, 1511596, 7180081, 14360162, 28720324]

約数ペア:

[(1, 28720324), (2, 14360162), (4, 7180081), (19, 1511596), (29, 990356), (38, 755798), (58, 495178), (76, 377899), (83, 346028), (116, 247589), (157, 182932), (166, 173014), (314, 91466), (332, 86507), (551, 52124), (628, 45733), (1102, 26062), (1577, 18212), (2204, 13031), (2407, 11932), (2983, 9628), (3154, 9106), (4553, 6308), (4814, 5966)]