87888654

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:670

約数の個数: 72

約数和(自身を含む): 222958008

約数和(自身を除く): 135069354

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 251, 294, 397, 441, 502, 753, 794, 882, 1191, 1506, 1757, 2259, 2382, 2779, 3514, 3573, 4518, 5271, 5558, 7146, 8337, 10542, 12299, 15813, 16674, 19453, 24598, 25011, 31626, 36897, 38906, 50022, 58359, 73794, 99647, 110691, 116718, 175077, 199294, 221382, 298941, 350154, 597882, 697529, 896823, 1395058, 1793646, 2092587, 4185174, 4882703, 6277761, 9765406, 12555522, 14648109, 29296218, 43944327, 87888654]

約数ペア:

[(1, 87888654), (2, 43944327), (3, 29296218), (6, 14648109), (7, 12555522), (9, 9765406), (14, 6277761), (18, 4882703), (21, 4185174), (42, 2092587), (49, 1793646), (63, 1395058), (98, 896823), (126, 697529), (147, 597882), (251, 350154), (294, 298941), (397, 221382), (441, 199294), (502, 175077), (753, 116718), (794, 110691), (882, 99647), (1191, 73794), (1506, 58359), (1757, 50022), (2259, 38906), (2382, 36897), (2779, 31626), (3514, 25011), (3573, 24598), (4518, 19453), (5271, 16674), (5558, 15813), (7146, 12299), (8337, 10542)]