261663984

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{62659}}^1$

素因数の和:62702

約数の個数: 60

約数和(自身を含む): 757559400

約数和(自身を除く): 495895416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 62659, 125318, 187977, 250636, 375954, 501272, 563931, 751908, 1002544, 1127862, 1503816, 1817111, 2255724, 3007632, 3634222, 4511448, 5451333, 7268444, 9022896, 10902666, 14536888, 16353999, 21805332, 29073776, 32707998, 43610664, 65415996, 87221328, 130831992, 261663984]

約数ペア:

[(1, 261663984), (2, 130831992), (3, 87221328), (4, 65415996), (6, 43610664), (8, 32707998), (9, 29073776), (12, 21805332), (16, 16353999), (18, 14536888), (24, 10902666), (29, 9022896), (36, 7268444), (48, 5451333), (58, 4511448), (72, 3634222), (87, 3007632), (116, 2255724), (144, 1817111), (174, 1503816), (232, 1127862), (261, 1002544), (348, 751908), (464, 563931), (522, 501272), (696, 375954), (1044, 250636), (1392, 187977), (2088, 125318), (4176, 62659)]