71649396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21871}}^1$

素因数の和:21901

約数の個数: 72

約数和(自身を含む): 222919424

約数和(自身を除く): 151270028

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, 21871, 43742, 65613, 87484, 131226, 153097, 196839, 262452, 284323, 306194, 393678, 459291, 568646, 612388, 787356, 852969, 918582, 1137292, 1377873, 1705938, 1837164, 1990261, 2558907, 2755746, 3411876, 3980522, 5117814, 5511492, 5970783, 7961044, 10235628, 11941566, 17912349, 23883132, 35824698, 71649396]

約数ペア:

[(1, 71649396), (2, 35824698), (3, 23883132), (4, 17912349), (6, 11941566), (7, 10235628), (9, 7961044), (12, 5970783), (13, 5511492), (14, 5117814), (18, 3980522), (21, 3411876), (26, 2755746), (28, 2558907), (36, 1990261), (39, 1837164), (42, 1705938), (52, 1377873), (63, 1137292), (78, 918582), (84, 852969), (91, 787356), (117, 612388), (126, 568646), (156, 459291), (182, 393678), (234, 306194), (252, 284323), (273, 262452), (364, 196839), (468, 153097), (546, 131226), (819, 87484), (1092, 65613), (1638, 43742), (3276, 21871)]