78981448

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 195955200

約数和(自身を除く): 116973752

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 53, 56, 89, 91, 92, 104, 106, 161, 178, 182, 184, 212, 299, 322, 356, 364, 371, 424, 598, 623, 644, 689, 712, 728, 742, 1157, 1196, 1219, 1246, 1288, 1378, 1484, 2047, 2093, 2314, 2392, 2438, 2492, 2756, 2968, 4094, 4186, 4628, 4717, 4823, 4876, 4984, 5512, 8099, 8188, 8372, 8533, 9256, 9434, 9646, 9752, 14329, 15847, 16198, 16376, 16744, 17066, 18868, 19292, 26611, 28658, 31694, 32396, 33019, 34132, 37736, 38584, 53222, 57316, 61321, 63388, 64792, 66038, 68264, 106444, 108491, 110929, 114632, 122642, 126776, 132076, 186277, 212888, 216982, 221858, 245284, 264152, 372554, 429247, 433964, 443716, 490568, 745108, 759437, 858494, 867928, 887432, 1410383, 1490216, 1518874, 1716988, 2820766, 3037748, 3433976, 5641532, 6075496, 9872681, 11283064, 19745362, 39490724, 78981448]

約数ペア:

[(1, 78981448), (2, 39490724), (4, 19745362), (7, 11283064), (8, 9872681), (13, 6075496), (14, 5641532), (23, 3433976), (26, 3037748), (28, 2820766), (46, 1716988), (52, 1518874), (53, 1490216), (56, 1410383), (89, 887432), (91, 867928), (92, 858494), (104, 759437), (106, 745108), (161, 490568), (178, 443716), (182, 433964), (184, 429247), (212, 372554), (299, 264152), (322, 245284), (356, 221858), (364, 216982), (371, 212888), (424, 186277), (598, 132076), (623, 126776), (644, 122642), (689, 114632), (712, 110929), (728, 108491), (742, 106444), (1157, 68264), (1196, 66038), (1219, 64792), (1246, 63388), (1288, 61321), (1378, 57316), (1484, 53222), (2047, 38584), (2093, 37736), (2314, 34132), (2392, 33019), (2438, 32396), (2492, 31694), (2756, 28658), (2968, 26611), (4094, 19292), (4186, 18868), (4628, 17066), (4717, 16744), (4823, 16376), (4876, 16198), (4984, 15847), (5512, 14329), (8099, 9752), (8188, 9646), (8372, 9434), (8533, 9256)]