81954068

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 179071200

約数和(自身を除く): 97117132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 59, 76, 98, 118, 133, 196, 236, 266, 373, 413, 532, 746, 826, 931, 1121, 1492, 1652, 1862, 2242, 2611, 2891, 3724, 4484, 5222, 5782, 7087, 7847, 10444, 11564, 14174, 15694, 18277, 22007, 28348, 31388, 36554, 44014, 49609, 54929, 73108, 88028, 99218, 109858, 154049, 198436, 219716, 308098, 347263, 418133, 616196, 694526, 836266, 1078343, 1389052, 1672532, 2156686, 2926931, 4313372, 5853862, 11707724, 20488517, 40977034, 81954068]

約数ペア:

[(1, 81954068), (2, 40977034), (4, 20488517), (7, 11707724), (14, 5853862), (19, 4313372), (28, 2926931), (38, 2156686), (49, 1672532), (59, 1389052), (76, 1078343), (98, 836266), (118, 694526), (133, 616196), (196, 418133), (236, 347263), (266, 308098), (373, 219716), (413, 198436), (532, 154049), (746, 109858), (826, 99218), (931, 88028), (1121, 73108), (1492, 54929), (1652, 49609), (1862, 44014), (2242, 36554), (2611, 31388), (2891, 28348), (3724, 22007), (4484, 18277), (5222, 15694), (5782, 14174), (7087, 11564), (7847, 10444)]