81571476

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138727}}^1$

素因数の和:138748

約数の個数: 36

約数和(自身を含む): 221409888

約数和(自身を除く): 139838412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138727, 277454, 416181, 554908, 832362, 971089, 1664724, 1942178, 2913267, 3884356, 5826534, 6797623, 11653068, 13595246, 20392869, 27190492, 40785738, 81571476]

約数ペア:

[(1, 81571476), (2, 40785738), (3, 27190492), (4, 20392869), (6, 13595246), (7, 11653068), (12, 6797623), (14, 5826534), (21, 3884356), (28, 2913267), (42, 1942178), (49, 1664724), (84, 971089), (98, 832362), (147, 554908), (196, 416181), (294, 277454), (588, 138727)]