161914788

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 495331200

約数和(自身を除く): 333416412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 53, 54, 63, 81, 84, 106, 108, 126, 159, 162, 189, 212, 243, 252, 318, 324, 371, 378, 449, 477, 486, 567, 636, 742, 756, 898, 954, 972, 1113, 1134, 1347, 1431, 1484, 1701, 1796, 1908, 2226, 2268, 2694, 2862, 3143, 3339, 3402, 4041, 4293, 4452, 5388, 5724, 6286, 6678, 6804, 8082, 8586, 9429, 10017, 12123, 12572, 12879, 13356, 16164, 17172, 18858, 20034, 23797, 24246, 25758, 28287, 30051, 36369, 37716, 40068, 47594, 48492, 51516, 56574, 60102, 71391, 72738, 84861, 90153, 95188, 109107, 113148, 120204, 142782, 145476, 166579, 169722, 180306, 214173, 218214, 254583, 285564, 333158, 339444, 360612, 428346, 436428, 499737, 509166, 642519, 666316, 763749, 856692, 999474, 1018332, 1285038, 1499211, 1527498, 1927557, 1998948, 2570076, 2998422, 3054996, 3855114, 4497633, 5782671, 5996844, 7710228, 8995266, 11565342, 13492899, 17990532, 23130684, 26985798, 40478697, 53971596, 80957394, 161914788]

約数ペア:

[(1, 161914788), (2, 80957394), (3, 53971596), (4, 40478697), (6, 26985798), (7, 23130684), (9, 17990532), (12, 13492899), (14, 11565342), (18, 8995266), (21, 7710228), (27, 5996844), (28, 5782671), (36, 4497633), (42, 3855114), (53, 3054996), (54, 2998422), (63, 2570076), (81, 1998948), (84, 1927557), (106, 1527498), (108, 1499211), (126, 1285038), (159, 1018332), (162, 999474), (189, 856692), (212, 763749), (243, 666316), (252, 642519), (318, 509166), (324, 499737), (371, 436428), (378, 428346), (449, 360612), (477, 339444), (486, 333158), (567, 285564), (636, 254583), (742, 218214), (756, 214173), (898, 180306), (954, 169722), (972, 166579), (1113, 145476), (1134, 142782), (1347, 120204), (1431, 113148), (1484, 109107), (1701, 95188), (1796, 90153), (1908, 84861), (2226, 72738), (2268, 71391), (2694, 60102), (2862, 56574), (3143, 51516), (3339, 48492), (3402, 47594), (4041, 40068), (4293, 37716), (4452, 36369), (5388, 30051), (5724, 28287), (6286, 25758), (6678, 24246), (6804, 23797), (8082, 20034), (8586, 18858), (9429, 17172), (10017, 16164), (12123, 13356), (12572, 12879)]