31387248

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 92986608

約数和(自身を除く): 61599360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 43, 48, 72, 74, 86, 111, 129, 137, 144, 148, 172, 222, 258, 274, 296, 333, 344, 387, 411, 444, 516, 548, 592, 666, 688, 774, 822, 888, 1032, 1096, 1233, 1332, 1548, 1591, 1644, 1776, 2064, 2192, 2466, 2664, 3096, 3182, 3288, 4773, 4932, 5069, 5328, 5891, 6192, 6364, 6576, 9546, 9864, 10138, 11782, 12728, 14319, 15207, 17673, 19092, 19728, 20276, 23564, 25456, 28638, 30414, 35346, 38184, 40552, 45621, 47128, 53019, 57276, 60828, 70692, 76368, 81104, 91242, 94256, 106038, 114552, 121656, 141384, 182484, 212076, 217967, 229104, 243312, 282768, 364968, 424152, 435934, 653901, 729936, 848304, 871868, 1307802, 1743736, 1961703, 2615604, 3487472, 3923406, 5231208, 7846812, 10462416, 15693624, 31387248]

約数ペア:

[(1, 31387248), (2, 15693624), (3, 10462416), (4, 7846812), (6, 5231208), (8, 3923406), (9, 3487472), (12, 2615604), (16, 1961703), (18, 1743736), (24, 1307802), (36, 871868), (37, 848304), (43, 729936), (48, 653901), (72, 435934), (74, 424152), (86, 364968), (111, 282768), (129, 243312), (137, 229104), (144, 217967), (148, 212076), (172, 182484), (222, 141384), (258, 121656), (274, 114552), (296, 106038), (333, 94256), (344, 91242), (387, 81104), (411, 76368), (444, 70692), (516, 60828), (548, 57276), (592, 53019), (666, 47128), (688, 45621), (774, 40552), (822, 38184), (888, 35346), (1032, 30414), (1096, 28638), (1233, 25456), (1332, 23564), (1548, 20276), (1591, 19728), (1644, 19092), (1776, 17673), (2064, 15207), (2192, 14319), (2466, 12728), (2664, 11782), (3096, 10138), (3182, 9864), (3288, 9546), (4773, 6576), (4932, 6364), (5069, 6192), (5328, 5891)]