281121012

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{4019}}^1$

素因数の和:4125

約数の個数: 72

約数和(自身を含む): 746272800

約数和(自身を除く): 465151788

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, 1206, 1943, 2412, 3886, 4019, 5829, 7772, 8038, 11658, 12057, 16076, 17487, 23316, 24114, 34974, 36171, 48228, 69948, 72342, 116551, 144684, 233102, 269273, 349653, 466204, 538546, 699306, 807819, 1048959, 1077092, 1398612, 1615638, 2097918, 2423457, 3231276, 4195836, 4846914, 7808917, 9693828, 15617834, 23426751, 31235668, 46853502, 70280253, 93707004, 140560506, 281121012]

約数ペア:

[(1, 281121012), (2, 140560506), (3, 93707004), (4, 70280253), (6, 46853502), (9, 31235668), (12, 23426751), (18, 15617834), (29, 9693828), (36, 7808917), (58, 4846914), (67, 4195836), (87, 3231276), (116, 2423457), (134, 2097918), (174, 1615638), (201, 1398612), (261, 1077092), (268, 1048959), (348, 807819), (402, 699306), (522, 538546), (603, 466204), (804, 349653), (1044, 269273), (1206, 233102), (1943, 144684), (2412, 116551), (3886, 72342), (4019, 69948), (5829, 48228), (7772, 36171), (8038, 34974), (11658, 24114), (12057, 23316), (16076, 17487)]