123789984

素因数分解:

$2^5\times 3^1\times {\mathrm{61}}^1\times {\mathrm{21139}}^1$

素因数の和:21213

約数の個数: 48

約数和(自身を含む): 330291360

約数和(自身を除く): 206501376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 96, 122, 183, 244, 366, 488, 732, 976, 1464, 1952, 2928, 5856, 21139, 42278, 63417, 84556, 126834, 169112, 253668, 338224, 507336, 676448, 1014672, 1289479, 2029344, 2578958, 3868437, 5157916, 7736874, 10315832, 15473748, 20631664, 30947496, 41263328, 61894992, 123789984]

約数ペア:

[(1, 123789984), (2, 61894992), (3, 41263328), (4, 30947496), (6, 20631664), (8, 15473748), (12, 10315832), (16, 7736874), (24, 5157916), (32, 3868437), (48, 2578958), (61, 2029344), (96, 1289479), (122, 1014672), (183, 676448), (244, 507336), (366, 338224), (488, 253668), (732, 169112), (976, 126834), (1464, 84556), (1952, 63417), (2928, 42278), (5856, 21139)]