81904728

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 212659200

約数和(自身を除く): 130754472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 283, 372, 389, 566, 744, 778, 849, 1132, 1167, 1556, 1698, 2264, 2334, 3112, 3396, 4668, 6792, 8773, 9336, 12059, 17546, 24118, 26319, 35092, 36177, 48236, 52638, 70184, 72354, 96472, 105276, 110087, 144708, 210552, 220174, 289416, 330261, 440348, 660522, 880696, 1321044, 2642088, 3412697, 6825394, 10238091, 13650788, 20476182, 27301576, 40952364, 81904728]

約数ペア:

[(1, 81904728), (2, 40952364), (3, 27301576), (4, 20476182), (6, 13650788), (8, 10238091), (12, 6825394), (24, 3412697), (31, 2642088), (62, 1321044), (93, 880696), (124, 660522), (186, 440348), (248, 330261), (283, 289416), (372, 220174), (389, 210552), (566, 144708), (744, 110087), (778, 105276), (849, 96472), (1132, 72354), (1167, 70184), (1556, 52638), (1698, 48236), (2264, 36177), (2334, 35092), (3112, 26319), (3396, 24118), (4668, 17546), (6792, 12059), (8773, 9336)]