28107036

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 74057984

約数和(自身を除く): 45950948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 67, 86, 129, 134, 172, 201, 258, 268, 271, 387, 402, 516, 542, 603, 774, 804, 813, 1084, 1206, 1548, 1626, 2412, 2439, 2881, 3252, 4878, 5762, 8643, 9756, 11524, 11653, 17286, 18157, 23306, 25929, 34572, 34959, 36314, 46612, 51858, 54471, 69918, 72628, 103716, 104877, 108942, 139836, 163413, 209754, 217884, 326826, 419508, 653652, 780751, 1561502, 2342253, 3123004, 4684506, 7026759, 9369012, 14053518, 28107036]

約数ペア:

[(1, 28107036), (2, 14053518), (3, 9369012), (4, 7026759), (6, 4684506), (9, 3123004), (12, 2342253), (18, 1561502), (36, 780751), (43, 653652), (67, 419508), (86, 326826), (129, 217884), (134, 209754), (172, 163413), (201, 139836), (258, 108942), (268, 104877), (271, 103716), (387, 72628), (402, 69918), (516, 54471), (542, 51858), (603, 46612), (774, 36314), (804, 34959), (813, 34572), (1084, 25929), (1206, 23306), (1548, 18157), (1626, 17286), (2412, 11653), (2439, 11524), (2881, 9756), (3252, 8643), (4878, 5762)]