31218984

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 88957440

約数和(自身を除く): 57738456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 71, 72, 93, 124, 142, 186, 197, 213, 248, 279, 284, 372, 394, 426, 558, 568, 591, 639, 744, 788, 852, 1116, 1182, 1278, 1576, 1704, 1773, 2201, 2232, 2364, 2556, 3546, 4402, 4728, 5112, 6107, 6603, 7092, 8804, 12214, 13206, 13987, 14184, 17608, 18321, 19809, 24428, 26412, 27974, 36642, 39618, 41961, 48856, 52824, 54963, 55948, 73284, 79236, 83922, 109926, 111896, 125883, 146568, 158472, 167844, 219852, 251766, 335688, 433597, 439704, 503532, 867194, 1007064, 1300791, 1734388, 2601582, 3468776, 3902373, 5203164, 7804746, 10406328, 15609492, 31218984]

約数ペア:

[(1, 31218984), (2, 15609492), (3, 10406328), (4, 7804746), (6, 5203164), (8, 3902373), (9, 3468776), (12, 2601582), (18, 1734388), (24, 1300791), (31, 1007064), (36, 867194), (62, 503532), (71, 439704), (72, 433597), (93, 335688), (124, 251766), (142, 219852), (186, 167844), (197, 158472), (213, 146568), (248, 125883), (279, 111896), (284, 109926), (372, 83922), (394, 79236), (426, 73284), (558, 55948), (568, 54963), (591, 52824), (639, 48856), (744, 41961), (788, 39618), (852, 36642), (1116, 27974), (1182, 26412), (1278, 24428), (1576, 19809), (1704, 18321), (1773, 17608), (2201, 14184), (2232, 13987), (2364, 13206), (2556, 12214), (3546, 8804), (4402, 7092), (4728, 6603), (5112, 6107)]