81909108

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1277

約数の個数: 72

約数和(自身を含む): 217570080

約数和(自身を除く): 135660972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 67, 87, 116, 134, 174, 201, 261, 268, 348, 402, 522, 603, 804, 1044, 1171, 1206, 1943, 2342, 2412, 3513, 3886, 4684, 5829, 7026, 7772, 10539, 11658, 14052, 17487, 21078, 23316, 33959, 34974, 42156, 67918, 69948, 78457, 101877, 135836, 156914, 203754, 235371, 305631, 313828, 407508, 470742, 611262, 706113, 941484, 1222524, 1412226, 2275253, 2824452, 4550506, 6825759, 9101012, 13651518, 20477277, 27303036, 40954554, 81909108]

約数ペア:

[(1, 81909108), (2, 40954554), (3, 27303036), (4, 20477277), (6, 13651518), (9, 9101012), (12, 6825759), (18, 4550506), (29, 2824452), (36, 2275253), (58, 1412226), (67, 1222524), (87, 941484), (116, 706113), (134, 611262), (174, 470742), (201, 407508), (261, 313828), (268, 305631), (348, 235371), (402, 203754), (522, 156914), (603, 135836), (804, 101877), (1044, 78457), (1171, 69948), (1206, 67918), (1943, 42156), (2342, 34974), (2412, 33959), (3513, 23316), (3886, 21078), (4684, 17487), (5829, 14052), (7026, 11658), (7772, 10539)]