31051566

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 56039634

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 71, 78, 89, 91, 117, 126, 142, 178, 182, 189, 213, 234, 267, 273, 351, 378, 426, 497, 534, 546, 623, 639, 702, 801, 819, 923, 994, 1157, 1246, 1278, 1491, 1602, 1638, 1846, 1869, 1917, 2314, 2403, 2457, 2769, 2982, 3471, 3738, 3834, 4473, 4806, 4914, 5538, 5607, 6319, 6461, 6942, 8099, 8307, 8946, 10413, 11214, 12638, 12922, 13419, 16198, 16614, 16821, 18957, 19383, 20826, 24297, 24921, 26838, 31239, 33642, 37914, 38766, 44233, 48594, 49842, 56871, 58149, 62478, 72891, 82147, 88466, 113742, 116298, 132699, 145782, 164294, 170613, 174447, 218673, 246441, 265398, 341226, 348894, 398097, 437346, 492882, 575029, 739323, 796194, 1150058, 1194291, 1478646, 1725087, 2217969, 2388582, 3450174, 4435938, 5175261, 10350522, 15525783, 31051566]

約数ペア:

[(1, 31051566), (2, 15525783), (3, 10350522), (6, 5175261), (7, 4435938), (9, 3450174), (13, 2388582), (14, 2217969), (18, 1725087), (21, 1478646), (26, 1194291), (27, 1150058), (39, 796194), (42, 739323), (54, 575029), (63, 492882), (71, 437346), (78, 398097), (89, 348894), (91, 341226), (117, 265398), (126, 246441), (142, 218673), (178, 174447), (182, 170613), (189, 164294), (213, 145782), (234, 132699), (267, 116298), (273, 113742), (351, 88466), (378, 82147), (426, 72891), (497, 62478), (534, 58149), (546, 56871), (623, 49842), (639, 48594), (702, 44233), (801, 38766), (819, 37914), (923, 33642), (994, 31239), (1157, 26838), (1246, 24921), (1278, 24297), (1491, 20826), (1602, 19383), (1638, 18957), (1846, 16821), (1869, 16614), (1917, 16198), (2314, 13419), (2403, 12922), (2457, 12638), (2769, 11214), (2982, 10413), (3471, 8946), (3738, 8307), (3834, 8099), (4473, 6942), (4806, 6461), (4914, 6319), (5538, 5607)]