231603988

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 558472320

約数和(自身を除く): 326868332

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 71, 77, 89, 98, 119, 142, 154, 178, 187, 196, 238, 284, 308, 356, 374, 476, 497, 539, 623, 748, 781, 833, 979, 994, 1078, 1207, 1246, 1309, 1513, 1562, 1666, 1958, 1988, 2156, 2414, 2492, 2618, 3026, 3124, 3332, 3479, 3916, 4361, 4828, 5236, 5467, 6052, 6319, 6853, 6958, 8449, 8722, 9163, 10591, 10934, 12638, 13277, 13706, 13916, 16643, 16898, 17444, 18326, 21182, 21868, 25276, 26554, 27412, 33286, 33796, 36652, 38269, 42364, 44233, 47971, 53108, 59143, 66572, 69509, 74137, 76538, 88466, 92939, 95942, 107423, 116501, 118286, 139018, 148274, 153076, 176932, 185878, 191884, 214846, 233002, 236572, 278036, 296548, 309631, 371756, 429692, 466004, 486563, 619262, 650573, 751961, 815507, 973126, 1181653, 1238524, 1301146, 1503922, 1631014, 1946252, 2363306, 2602292, 3007844, 3262028, 3405941, 4726612, 5263727, 6811882, 8271571, 10527454, 13623764, 16543142, 21054908, 33086284, 57900997, 115801994, 231603988]

約数ペア:

[(1, 231603988), (2, 115801994), (4, 57900997), (7, 33086284), (11, 21054908), (14, 16543142), (17, 13623764), (22, 10527454), (28, 8271571), (34, 6811882), (44, 5263727), (49, 4726612), (68, 3405941), (71, 3262028), (77, 3007844), (89, 2602292), (98, 2363306), (119, 1946252), (142, 1631014), (154, 1503922), (178, 1301146), (187, 1238524), (196, 1181653), (238, 973126), (284, 815507), (308, 751961), (356, 650573), (374, 619262), (476, 486563), (497, 466004), (539, 429692), (623, 371756), (748, 309631), (781, 296548), (833, 278036), (979, 236572), (994, 233002), (1078, 214846), (1207, 191884), (1246, 185878), (1309, 176932), (1513, 153076), (1562, 148274), (1666, 139018), (1958, 118286), (1988, 116501), (2156, 107423), (2414, 95942), (2492, 92939), (2618, 88466), (3026, 76538), (3124, 74137), (3332, 69509), (3479, 66572), (3916, 59143), (4361, 53108), (4828, 47971), (5236, 44233), (5467, 42364), (6052, 38269), (6319, 36652), (6853, 33796), (6958, 33286), (8449, 27412), (8722, 26554), (9163, 25276), (10591, 21868), (10934, 21182), (12638, 18326), (13277, 17444), (13706, 16898), (13916, 16643)]