291183256

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 699955200

約数和(自身を除く): 408771944

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 79, 83, 91, 104, 122, 158, 166, 182, 244, 316, 332, 364, 427, 488, 553, 581, 632, 664, 728, 793, 854, 1027, 1079, 1106, 1162, 1586, 1708, 2054, 2158, 2212, 2324, 3172, 3416, 4108, 4316, 4424, 4648, 4819, 5063, 5551, 6344, 6557, 7189, 7553, 8216, 8632, 9638, 10126, 11102, 13114, 14378, 15106, 19276, 20252, 22204, 26228, 28756, 30212, 33733, 35441, 38552, 40504, 44408, 45899, 52456, 57512, 60424, 62647, 65819, 67466, 70882, 85241, 91798, 125294, 131638, 134932, 141764, 170482, 183596, 250588, 263276, 269864, 283528, 340964, 367192, 399977, 438529, 460733, 501176, 526552, 596687, 681928, 799954, 877058, 921466, 1193374, 1599908, 1754116, 1842932, 2386748, 2799839, 3199816, 3508232, 3685864, 4773496, 5199701, 5599678, 10399402, 11199356, 20798804, 22398712, 36397907, 41597608, 72795814, 145591628, 291183256]

約数ペア:

[(1, 291183256), (2, 145591628), (4, 72795814), (7, 41597608), (8, 36397907), (13, 22398712), (14, 20798804), (26, 11199356), (28, 10399402), (52, 5599678), (56, 5199701), (61, 4773496), (79, 3685864), (83, 3508232), (91, 3199816), (104, 2799839), (122, 2386748), (158, 1842932), (166, 1754116), (182, 1599908), (244, 1193374), (316, 921466), (332, 877058), (364, 799954), (427, 681928), (488, 596687), (553, 526552), (581, 501176), (632, 460733), (664, 438529), (728, 399977), (793, 367192), (854, 340964), (1027, 283528), (1079, 269864), (1106, 263276), (1162, 250588), (1586, 183596), (1708, 170482), (2054, 141764), (2158, 134932), (2212, 131638), (2324, 125294), (3172, 91798), (3416, 85241), (4108, 70882), (4316, 67466), (4424, 65819), (4648, 62647), (4819, 60424), (5063, 57512), (5551, 52456), (6344, 45899), (6557, 44408), (7189, 40504), (7553, 38552), (8216, 35441), (8632, 33733), (9638, 30212), (10126, 28756), (11102, 26228), (13114, 22204), (14378, 20252), (15106, 19276)]