219665208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{31891}}^1$

素因数の和:31948

約数の個数: 64

約数和(自身を含む): 642942720

約数和(自身を除く): 423277512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 3444, 6888, 31891, 63782, 95673, 127564, 191346, 223237, 255128, 382692, 446474, 669711, 765384, 892948, 1307531, 1339422, 1785896, 2615062, 2678844, 3922593, 5230124, 5357688, 7845186, 9152717, 10460248, 15690372, 18305434, 27458151, 31380744, 36610868, 54916302, 73221736, 109832604, 219665208]

約数ペア:

[(1, 219665208), (2, 109832604), (3, 73221736), (4, 54916302), (6, 36610868), (7, 31380744), (8, 27458151), (12, 18305434), (14, 15690372), (21, 10460248), (24, 9152717), (28, 7845186), (41, 5357688), (42, 5230124), (56, 3922593), (82, 2678844), (84, 2615062), (123, 1785896), (164, 1339422), (168, 1307531), (246, 892948), (287, 765384), (328, 669711), (492, 446474), (574, 382692), (861, 255128), (984, 223237), (1148, 191346), (1722, 127564), (2296, 95673), (3444, 63782), (6888, 31891)]