78489964

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 167133120

約数和(自身を除く): 88643156

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 67, 86, 98, 134, 139, 172, 196, 268, 278, 301, 469, 556, 602, 938, 973, 1204, 1876, 1946, 2107, 2881, 3283, 3892, 4214, 5762, 5977, 6566, 6811, 8428, 9313, 11524, 11954, 13132, 13622, 18626, 20167, 23908, 27244, 37252, 40334, 41839, 65191, 80668, 83678, 130382, 141169, 167356, 260764, 282338, 292873, 400459, 456337, 564676, 585746, 800918, 912674, 1171492, 1601836, 1825348, 2803213, 5606426, 11212852, 19622491, 39244982, 78489964]

約数ペア:

[(1, 78489964), (2, 39244982), (4, 19622491), (7, 11212852), (14, 5606426), (28, 2803213), (43, 1825348), (49, 1601836), (67, 1171492), (86, 912674), (98, 800918), (134, 585746), (139, 564676), (172, 456337), (196, 400459), (268, 292873), (278, 282338), (301, 260764), (469, 167356), (556, 141169), (602, 130382), (938, 83678), (973, 80668), (1204, 65191), (1876, 41839), (1946, 40334), (2107, 37252), (2881, 27244), (3283, 23908), (3892, 20167), (4214, 18626), (5762, 13622), (5977, 13132), (6566, 11954), (6811, 11524), (8428, 9313)]