138868254

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2094

約数の個数: 72

約数和(自身を含む): 354612960

約数和(自身を除く): 215744706

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 79, 98, 126, 147, 158, 237, 294, 441, 474, 553, 711, 882, 1106, 1422, 1659, 1993, 3318, 3871, 3986, 4977, 5979, 7742, 9954, 11613, 11958, 13951, 17937, 23226, 27902, 34839, 35874, 41853, 69678, 83706, 97657, 125559, 157447, 195314, 251118, 292971, 314894, 472341, 585942, 878913, 944682, 1102129, 1417023, 1757826, 2204258, 2834046, 3306387, 6612774, 7714903, 9919161, 15429806, 19838322, 23144709, 46289418, 69434127, 138868254]

約数ペア:

[(1, 138868254), (2, 69434127), (3, 46289418), (6, 23144709), (7, 19838322), (9, 15429806), (14, 9919161), (18, 7714903), (21, 6612774), (42, 3306387), (49, 2834046), (63, 2204258), (79, 1757826), (98, 1417023), (126, 1102129), (147, 944682), (158, 878913), (237, 585942), (294, 472341), (441, 314894), (474, 292971), (553, 251118), (711, 195314), (882, 157447), (1106, 125559), (1422, 97657), (1659, 83706), (1993, 69678), (3318, 41853), (3871, 35874), (3986, 34839), (4977, 27902), (5979, 23226), (7742, 17937), (9954, 13951), (11613, 11958)]