199398052

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 423450720

約数和(自身を除く): 224052668

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 59, 86, 98, 118, 172, 196, 236, 301, 401, 413, 602, 802, 826, 1204, 1604, 1652, 2107, 2537, 2807, 2891, 4214, 5074, 5614, 5782, 8428, 10148, 11228, 11564, 17243, 17759, 19649, 23659, 34486, 35518, 39298, 47318, 68972, 71036, 78596, 94636, 120701, 124313, 165613, 241402, 248626, 331226, 482804, 497252, 662452, 844907, 1017337, 1159291, 1689814, 2034674, 2318582, 3379628, 4069348, 4637164, 7121359, 14242718, 28485436, 49849513, 99699026, 199398052]

約数ペア:

[(1, 199398052), (2, 99699026), (4, 49849513), (7, 28485436), (14, 14242718), (28, 7121359), (43, 4637164), (49, 4069348), (59, 3379628), (86, 2318582), (98, 2034674), (118, 1689814), (172, 1159291), (196, 1017337), (236, 844907), (301, 662452), (401, 497252), (413, 482804), (602, 331226), (802, 248626), (826, 241402), (1204, 165613), (1604, 124313), (1652, 120701), (2107, 94636), (2537, 78596), (2807, 71036), (2891, 68972), (4214, 47318), (5074, 39298), (5614, 35518), (5782, 34486), (8428, 23659), (10148, 19649), (11228, 17759), (11564, 17243)]