216656388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1013}}^1$

素因数の和:1493

約数の個数: 72

約数和(自身を含む): 591660888

約数和(自身を除く): 375004500

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 457, 468, 914, 1013, 1371, 1828, 2026, 2742, 3039, 4052, 4113, 5484, 5941, 6078, 8226, 9117, 11882, 12156, 13169, 16452, 17823, 18234, 23764, 26338, 35646, 36468, 39507, 52676, 53469, 71292, 79014, 106938, 118521, 158028, 213876, 237042, 462941, 474084, 925882, 1388823, 1851764, 2777646, 4166469, 5555292, 6018233, 8332938, 12036466, 16665876, 18054699, 24072932, 36109398, 54164097, 72218796, 108328194, 216656388]

約数ペア:

[(1, 216656388), (2, 108328194), (3, 72218796), (4, 54164097), (6, 36109398), (9, 24072932), (12, 18054699), (13, 16665876), (18, 12036466), (26, 8332938), (36, 6018233), (39, 5555292), (52, 4166469), (78, 2777646), (117, 1851764), (156, 1388823), (234, 925882), (457, 474084), (468, 462941), (914, 237042), (1013, 213876), (1371, 158028), (1828, 118521), (2026, 106938), (2742, 79014), (3039, 71292), (4052, 53469), (4113, 52676), (5484, 39507), (5941, 36468), (6078, 35646), (8226, 26338), (9117, 23764), (11882, 18234), (12156, 17823), (13169, 16452)]