381274292

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2381}}^1$

素因数の和:2461

約数の個数: 72

約数和(自身を含む): 836367840

約数和(自身を除く): 455093548

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 532, 602, 817, 931, 1204, 1634, 1862, 2107, 2381, 3268, 3724, 4214, 4762, 5719, 8428, 9524, 11438, 16667, 22876, 33334, 40033, 45239, 66668, 80066, 90478, 102383, 116669, 160132, 180956, 204766, 233338, 316673, 409532, 466676, 633346, 716681, 1266692, 1433362, 1945277, 2216711, 2866724, 3890554, 4433422, 5016767, 7781108, 8866844, 10033534, 13616939, 20067068, 27233878, 54467756, 95318573, 190637146, 381274292]

約数ペア:

[(1, 381274292), (2, 190637146), (4, 95318573), (7, 54467756), (14, 27233878), (19, 20067068), (28, 13616939), (38, 10033534), (43, 8866844), (49, 7781108), (76, 5016767), (86, 4433422), (98, 3890554), (133, 2866724), (172, 2216711), (196, 1945277), (266, 1433362), (301, 1266692), (532, 716681), (602, 633346), (817, 466676), (931, 409532), (1204, 316673), (1634, 233338), (1862, 204766), (2107, 180956), (2381, 160132), (3268, 116669), (3724, 102383), (4214, 90478), (4762, 80066), (5719, 66668), (8428, 45239), (9524, 40033), (11438, 33334), (16667, 22876)]