81698032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 178238592

約数和(自身を除く): 96540560

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 61, 94, 104, 122, 137, 188, 208, 244, 274, 376, 488, 548, 611, 752, 793, 976, 1096, 1222, 1586, 1781, 2192, 2444, 2867, 3172, 3562, 4888, 5734, 6344, 6439, 7124, 8357, 9776, 11468, 12688, 12878, 14248, 16714, 22936, 25756, 28496, 33428, 37271, 45872, 51512, 66856, 74542, 83707, 103024, 108641, 133712, 149084, 167414, 217282, 298168, 334828, 392779, 434564, 596336, 669656, 785558, 869128, 1339312, 1571116, 1738256, 3142232, 5106127, 6284464, 10212254, 20424508, 40849016, 81698032]

約数ペア:

[(1, 81698032), (2, 40849016), (4, 20424508), (8, 10212254), (13, 6284464), (16, 5106127), (26, 3142232), (47, 1738256), (52, 1571116), (61, 1339312), (94, 869128), (104, 785558), (122, 669656), (137, 596336), (188, 434564), (208, 392779), (244, 334828), (274, 298168), (376, 217282), (488, 167414), (548, 149084), (611, 133712), (752, 108641), (793, 103024), (976, 83707), (1096, 74542), (1222, 66856), (1586, 51512), (1781, 45872), (2192, 37271), (2444, 33428), (2867, 28496), (3172, 25756), (3562, 22936), (4888, 16714), (5734, 14248), (6344, 12878), (6439, 12688), (7124, 11468), (8357, 9776)]