389611908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2339}}^1$

素因数の和:3017

約数の個数: 72

約数和(自身を含む): 1127730240

約数和(自身を除く): 738118332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 661, 1322, 1983, 2339, 2644, 3966, 4627, 4678, 5949, 7017, 7932, 9254, 9356, 11898, 13881, 14034, 16373, 18508, 21051, 23796, 27762, 28068, 32746, 41643, 42102, 49119, 55524, 65492, 83286, 84204, 98238, 147357, 166572, 196476, 294714, 589428, 1546079, 3092158, 4638237, 6184316, 9276474, 10822553, 13914711, 18552948, 21645106, 27829422, 32467659, 43290212, 55658844, 64935318, 97402977, 129870636, 194805954, 389611908]

約数ペア:

[(1, 389611908), (2, 194805954), (3, 129870636), (4, 97402977), (6, 64935318), (7, 55658844), (9, 43290212), (12, 32467659), (14, 27829422), (18, 21645106), (21, 18552948), (28, 13914711), (36, 10822553), (42, 9276474), (63, 6184316), (84, 4638237), (126, 3092158), (252, 1546079), (661, 589428), (1322, 294714), (1983, 196476), (2339, 166572), (2644, 147357), (3966, 98238), (4627, 84204), (4678, 83286), (5949, 65492), (7017, 55524), (7932, 49119), (9254, 42102), (9356, 41643), (11898, 32746), (13881, 28068), (14034, 27762), (16373, 23796), (18508, 21051)]