28655712

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 87272640

約数和(自身を除く): 58616928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 47, 48, 58, 72, 73, 87, 94, 96, 116, 141, 144, 146, 174, 188, 219, 232, 261, 282, 288, 292, 348, 376, 423, 438, 464, 522, 564, 584, 657, 696, 752, 846, 876, 928, 1044, 1128, 1168, 1314, 1363, 1392, 1504, 1692, 1752, 2088, 2117, 2256, 2336, 2628, 2726, 2784, 3384, 3431, 3504, 4089, 4176, 4234, 4512, 5256, 5452, 6351, 6768, 6862, 7008, 8178, 8352, 8468, 10293, 10512, 10904, 12267, 12702, 13536, 13724, 16356, 16936, 19053, 20586, 21024, 21808, 24534, 25404, 27448, 30879, 32712, 33872, 38106, 41172, 43616, 49068, 50808, 54896, 61758, 65424, 67744, 76212, 82344, 98136, 99499, 101616, 109792, 123516, 130848, 152424, 164688, 196272, 198998, 203232, 247032, 298497, 304848, 329376, 392544, 397996, 494064, 596994, 609696, 795992, 895491, 988128, 1193988, 1591984, 1790982, 2387976, 3183968, 3581964, 4775952, 7163928, 9551904, 14327856, 28655712]

約数ペア:

[(1, 28655712), (2, 14327856), (3, 9551904), (4, 7163928), (6, 4775952), (8, 3581964), (9, 3183968), (12, 2387976), (16, 1790982), (18, 1591984), (24, 1193988), (29, 988128), (32, 895491), (36, 795992), (47, 609696), (48, 596994), (58, 494064), (72, 397996), (73, 392544), (87, 329376), (94, 304848), (96, 298497), (116, 247032), (141, 203232), (144, 198998), (146, 196272), (174, 164688), (188, 152424), (219, 130848), (232, 123516), (261, 109792), (282, 101616), (288, 99499), (292, 98136), (348, 82344), (376, 76212), (423, 67744), (438, 65424), (464, 61758), (522, 54896), (564, 50808), (584, 49068), (657, 43616), (696, 41172), (752, 38106), (846, 33872), (876, 32712), (928, 30879), (1044, 27448), (1128, 25404), (1168, 24534), (1314, 21808), (1363, 21024), (1392, 20586), (1504, 19053), (1692, 16936), (1752, 16356), (2088, 13724), (2117, 13536), (2256, 12702), (2336, 12267), (2628, 10904), (2726, 10512), (2784, 10293), (3384, 8468), (3431, 8352), (3504, 8178), (4089, 7008), (4176, 6862), (4234, 6768), (4512, 6351), (5256, 5452)]