81536364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24889}}^1$

素因数の和:24919

約数の個数: 72

約数和(自身を含む): 253678880

約数和(自身を除く): 172142516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 24889, 49778, 74667, 99556, 149334, 174223, 224001, 298668, 323557, 348446, 448002, 522669, 647114, 696892, 896004, 970671, 1045338, 1294228, 1568007, 1941342, 2090676, 2264899, 2912013, 3136014, 3882684, 4529798, 5824026, 6272028, 6794697, 9059596, 11648052, 13589394, 20384091, 27178788, 40768182, 81536364]

約数ペア:

[(1, 81536364), (2, 40768182), (3, 27178788), (4, 20384091), (6, 13589394), (7, 11648052), (9, 9059596), (12, 6794697), (13, 6272028), (14, 5824026), (18, 4529798), (21, 3882684), (26, 3136014), (28, 2912013), (36, 2264899), (39, 2090676), (42, 1941342), (52, 1568007), (63, 1294228), (78, 1045338), (84, 970671), (91, 896004), (117, 696892), (126, 647114), (156, 522669), (182, 448002), (234, 348446), (252, 323557), (273, 298668), (364, 224001), (468, 174223), (546, 149334), (819, 99556), (1092, 74667), (1638, 49778), (3276, 24889)]