87507654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 200309760

約数和(自身を除く): 112802106

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 137, 247, 274, 411, 431, 494, 741, 822, 862, 1293, 1482, 1781, 2586, 2603, 3562, 5206, 5343, 5603, 7809, 8189, 10686, 11206, 15618, 16378, 16809, 24567, 33618, 33839, 49134, 59047, 67678, 101517, 106457, 118094, 177141, 203034, 212914, 319371, 354282, 638742, 767611, 1121893, 1535222, 2243786, 2302833, 3365679, 4605666, 6731358, 14584609, 29169218, 43753827, 87507654]

約数ペア:

[(1, 87507654), (2, 43753827), (3, 29169218), (6, 14584609), (13, 6731358), (19, 4605666), (26, 3365679), (38, 2302833), (39, 2243786), (57, 1535222), (78, 1121893), (114, 767611), (137, 638742), (247, 354282), (274, 319371), (411, 212914), (431, 203034), (494, 177141), (741, 118094), (822, 106457), (862, 101517), (1293, 67678), (1482, 59047), (1781, 49134), (2586, 33839), (2603, 33618), (3562, 24567), (5206, 16809), (5343, 16378), (5603, 15618), (7809, 11206), (8189, 10686)]