28851948

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 76317696

約数和(自身を除く): 47465748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 103, 124, 186, 206, 251, 279, 309, 372, 412, 502, 558, 618, 753, 927, 1004, 1116, 1236, 1506, 1854, 2259, 3012, 3193, 3708, 4518, 6386, 7781, 9036, 9579, 12772, 15562, 19158, 23343, 25853, 28737, 31124, 38316, 46686, 51706, 57474, 70029, 77559, 93372, 103412, 114948, 140058, 155118, 232677, 280116, 310236, 465354, 801443, 930708, 1602886, 2404329, 3205772, 4808658, 7212987, 9617316, 14425974, 28851948]

約数ペア:

[(1, 28851948), (2, 14425974), (3, 9617316), (4, 7212987), (6, 4808658), (9, 3205772), (12, 2404329), (18, 1602886), (31, 930708), (36, 801443), (62, 465354), (93, 310236), (103, 280116), (124, 232677), (186, 155118), (206, 140058), (251, 114948), (279, 103412), (309, 93372), (372, 77559), (412, 70029), (502, 57474), (558, 51706), (618, 46686), (753, 38316), (927, 31124), (1004, 28737), (1116, 25853), (1236, 23343), (1506, 19158), (1854, 15562), (2259, 12772), (3012, 9579), (3193, 9036), (3708, 7781), (4518, 6386)]