991807848

素因数分解:

$2^3\times 3^3\times {\mathrm{1999}}^1\times {\mathrm{2297}}^1$

素因数の和:4311

約数の個数: 64

約数和(自身を含む): 2757600000

約数和(自身を除く): 1765792152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 1999, 2297, 3998, 4594, 5997, 6891, 7996, 9188, 11994, 13782, 15992, 17991, 18376, 20673, 23988, 27564, 35982, 41346, 47976, 53973, 55128, 62019, 71964, 82692, 107946, 124038, 143928, 165384, 215892, 248076, 431784, 496152, 4591703, 9183406, 13775109, 18366812, 27550218, 36733624, 41325327, 55100436, 82650654, 110200872, 123975981, 165301308, 247951962, 330602616, 495903924, 991807848]

約数ペア:

[(1, 991807848), (2, 495903924), (3, 330602616), (4, 247951962), (6, 165301308), (8, 123975981), (9, 110200872), (12, 82650654), (18, 55100436), (24, 41325327), (27, 36733624), (36, 27550218), (54, 18366812), (72, 13775109), (108, 9183406), (216, 4591703), (1999, 496152), (2297, 431784), (3998, 248076), (4594, 215892), (5997, 165384), (6891, 143928), (7996, 124038), (9188, 107946), (11994, 82692), (13782, 71964), (15992, 62019), (17991, 55128), (18376, 53973), (20673, 47976), (23988, 41346), (27564, 35982)]