217501984

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 144

約数和(自身を含む): 537098688

約数和(自身を除く): 319596704

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 37, 46, 49, 56, 74, 92, 98, 112, 148, 161, 163, 184, 196, 224, 259, 296, 322, 326, 368, 392, 518, 592, 644, 652, 736, 784, 851, 1036, 1127, 1141, 1184, 1288, 1304, 1568, 1702, 1813, 2072, 2254, 2282, 2576, 2608, 3404, 3626, 3749, 4144, 4508, 4564, 5152, 5216, 5957, 6031, 6808, 7252, 7498, 7987, 8288, 9016, 9128, 11914, 12062, 13616, 14504, 14996, 15974, 18032, 18256, 23828, 24124, 26243, 27232, 29008, 29992, 31948, 36064, 36512, 41699, 42217, 47656, 48248, 52486, 58016, 59984, 63896, 83398, 84434, 95312, 96496, 104972, 119968, 127792, 138713, 166796, 168868, 183701, 190624, 192992, 209944, 255584, 277426, 295519, 333592, 337736, 367402, 419888, 554852, 591038, 667184, 675472, 734804, 839776, 970991, 1109704, 1182076, 1334368, 1350944, 1469608, 1941982, 2219408, 2364152, 2939216, 3883964, 4438816, 4728304, 5878432, 6796937, 7767928, 9456608, 13593874, 15535856, 27187748, 31071712, 54375496, 108750992, 217501984]

約数ペア:

[(1, 217501984), (2, 108750992), (4, 54375496), (7, 31071712), (8, 27187748), (14, 15535856), (16, 13593874), (23, 9456608), (28, 7767928), (32, 6796937), (37, 5878432), (46, 4728304), (49, 4438816), (56, 3883964), (74, 2939216), (92, 2364152), (98, 2219408), (112, 1941982), (148, 1469608), (161, 1350944), (163, 1334368), (184, 1182076), (196, 1109704), (224, 970991), (259, 839776), (296, 734804), (322, 675472), (326, 667184), (368, 591038), (392, 554852), (518, 419888), (592, 367402), (644, 337736), (652, 333592), (736, 295519), (784, 277426), (851, 255584), (1036, 209944), (1127, 192992), (1141, 190624), (1184, 183701), (1288, 168868), (1304, 166796), (1568, 138713), (1702, 127792), (1813, 119968), (2072, 104972), (2254, 96496), (2282, 95312), (2576, 84434), (2608, 83398), (3404, 63896), (3626, 59984), (3749, 58016), (4144, 52486), (4508, 48248), (4564, 47656), (5152, 42217), (5216, 41699), (5957, 36512), (6031, 36064), (6808, 31948), (7252, 29992), (7498, 29008), (7987, 27232), (8288, 26243), (9016, 24124), (9128, 23828), (11914, 18256), (12062, 18032), (13616, 15974), (14504, 14996)]