31378914

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 120

約数和(自身を含む): 84419280

約数和(自身を除く): 53040366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 59, 63, 67, 81, 98, 118, 126, 134, 147, 162, 177, 189, 201, 294, 354, 378, 402, 413, 441, 469, 531, 567, 603, 826, 882, 938, 1062, 1134, 1206, 1239, 1323, 1407, 1593, 1809, 2478, 2646, 2814, 2891, 3186, 3283, 3618, 3717, 3953, 3969, 4221, 4779, 5427, 5782, 6566, 7434, 7906, 7938, 8442, 8673, 9558, 9849, 10854, 11151, 11859, 12663, 17346, 19698, 22302, 23718, 25326, 26019, 27671, 29547, 33453, 35577, 37989, 52038, 55342, 59094, 66906, 71154, 75978, 78057, 83013, 88641, 106731, 156114, 166026, 177282, 193697, 213462, 234171, 249039, 265923, 320193, 387394, 468342, 498078, 531846, 581091, 640386, 747117, 1162182, 1494234, 1743273, 2241351, 3486546, 4482702, 5229819, 10459638, 15689457, 31378914]

約数ペア:

[(1, 31378914), (2, 15689457), (3, 10459638), (6, 5229819), (7, 4482702), (9, 3486546), (14, 2241351), (18, 1743273), (21, 1494234), (27, 1162182), (42, 747117), (49, 640386), (54, 581091), (59, 531846), (63, 498078), (67, 468342), (81, 387394), (98, 320193), (118, 265923), (126, 249039), (134, 234171), (147, 213462), (162, 193697), (177, 177282), (189, 166026), (201, 156114), (294, 106731), (354, 88641), (378, 83013), (402, 78057), (413, 75978), (441, 71154), (469, 66906), (531, 59094), (567, 55342), (603, 52038), (826, 37989), (882, 35577), (938, 33453), (1062, 29547), (1134, 27671), (1206, 26019), (1239, 25326), (1323, 23718), (1407, 22302), (1593, 19698), (1809, 17346), (2478, 12663), (2646, 11859), (2814, 11151), (2891, 10854), (3186, 9849), (3283, 9558), (3618, 8673), (3717, 8442), (3953, 7938), (3969, 7906), (4221, 7434), (4779, 6566), (5427, 5782)]