72978052

素因数分解:

$2^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1305

約数の個数: 48

約数和(自身を含む): 152521600

約数和(自身を除く): 79543548

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 343, 602, 686, 1204, 1237, 1372, 2107, 2474, 4214, 4948, 8428, 8659, 14749, 17318, 29498, 34636, 53191, 58996, 60613, 106382, 121226, 212764, 242452, 372337, 424291, 744674, 848582, 1489348, 1697164, 2606359, 5212718, 10425436, 18244513, 36489026, 72978052]

約数ペア:

[(1, 72978052), (2, 36489026), (4, 18244513), (7, 10425436), (14, 5212718), (28, 2606359), (43, 1697164), (49, 1489348), (86, 848582), (98, 744674), (172, 424291), (196, 372337), (301, 242452), (343, 212764), (602, 121226), (686, 106382), (1204, 60613), (1237, 58996), (1372, 53191), (2107, 34636), (2474, 29498), (4214, 17318), (4948, 14749), (8428, 8659)]