257854428

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2111}}^1$

素因数の和:2169

約数の個数: 120

約数和(自身を含む): 751322880

約数和(自身を除く): 493468452

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 81, 87, 108, 116, 117, 156, 162, 174, 234, 261, 324, 348, 351, 377, 468, 522, 702, 754, 783, 1044, 1053, 1131, 1404, 1508, 1566, 2106, 2111, 2262, 2349, 3132, 3393, 4212, 4222, 4524, 4698, 6333, 6786, 8444, 9396, 10179, 12666, 13572, 18999, 20358, 25332, 27443, 30537, 37998, 40716, 54886, 56997, 61074, 61219, 75996, 82329, 109772, 113994, 122148, 122438, 164658, 170991, 183657, 227988, 244876, 246987, 329316, 341982, 367314, 493974, 550971, 683964, 734628, 740961, 795847, 987948, 1101942, 1481922, 1591694, 1652913, 2203884, 2222883, 2387541, 2963844, 3183388, 3305826, 4445766, 4775082, 4958739, 6611652, 7162623, 8891532, 9550164, 9917478, 14325246, 19834956, 21487869, 28650492, 42975738, 64463607, 85951476, 128927214, 257854428]

約数ペア:

[(1, 257854428), (2, 128927214), (3, 85951476), (4, 64463607), (6, 42975738), (9, 28650492), (12, 21487869), (13, 19834956), (18, 14325246), (26, 9917478), (27, 9550164), (29, 8891532), (36, 7162623), (39, 6611652), (52, 4958739), (54, 4775082), (58, 4445766), (78, 3305826), (81, 3183388), (87, 2963844), (108, 2387541), (116, 2222883), (117, 2203884), (156, 1652913), (162, 1591694), (174, 1481922), (234, 1101942), (261, 987948), (324, 795847), (348, 740961), (351, 734628), (377, 683964), (468, 550971), (522, 493974), (702, 367314), (754, 341982), (783, 329316), (1044, 246987), (1053, 244876), (1131, 227988), (1404, 183657), (1508, 170991), (1566, 164658), (2106, 122438), (2111, 122148), (2262, 113994), (2349, 109772), (3132, 82329), (3393, 75996), (4212, 61219), (4222, 61074), (4524, 56997), (4698, 54886), (6333, 40716), (6786, 37998), (8444, 30537), (9396, 27443), (10179, 25332), (12666, 20358), (13572, 18999)]