178132444

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 377600832

約数和(自身を除く): 199468388

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 61, 94, 98, 122, 188, 196, 244, 317, 329, 427, 634, 658, 854, 1268, 1316, 1708, 2219, 2303, 2867, 2989, 4438, 4606, 5734, 5978, 8876, 9212, 11468, 11956, 14899, 15533, 19337, 20069, 29798, 31066, 38674, 40138, 59596, 62132, 77348, 80276, 104293, 135359, 140483, 208586, 270718, 280966, 417172, 541436, 561932, 730051, 908839, 947513, 1460102, 1817678, 1895026, 2920204, 3635356, 3790052, 6361873, 12723746, 25447492, 44533111, 89066222, 178132444]

約数ペア:

[(1, 178132444), (2, 89066222), (4, 44533111), (7, 25447492), (14, 12723746), (28, 6361873), (47, 3790052), (49, 3635356), (61, 2920204), (94, 1895026), (98, 1817678), (122, 1460102), (188, 947513), (196, 908839), (244, 730051), (317, 561932), (329, 541436), (427, 417172), (634, 280966), (658, 270718), (854, 208586), (1268, 140483), (1316, 135359), (1708, 104293), (2219, 80276), (2303, 77348), (2867, 62132), (2989, 59596), (4438, 40138), (4606, 38674), (5734, 31066), (5978, 29798), (8876, 20069), (9212, 19337), (11468, 15533), (11956, 14899)]