209538324

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1277

約数の個数: 72

約数和(自身を含む): 544969152

約数和(自身を除く): 335430828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 73, 142, 146, 213, 219, 284, 292, 426, 438, 639, 657, 852, 876, 1123, 1278, 1314, 2246, 2556, 2628, 3369, 4492, 5183, 6738, 10107, 10366, 13476, 15549, 20214, 20732, 31098, 40428, 46647, 62196, 79733, 81979, 93294, 159466, 163958, 186588, 239199, 245937, 318932, 327916, 478398, 491874, 717597, 737811, 956796, 983748, 1435194, 1475622, 2870388, 2951244, 5820509, 11641018, 17461527, 23282036, 34923054, 52384581, 69846108, 104769162, 209538324]

約数ペア:

[(1, 209538324), (2, 104769162), (3, 69846108), (4, 52384581), (6, 34923054), (9, 23282036), (12, 17461527), (18, 11641018), (36, 5820509), (71, 2951244), (73, 2870388), (142, 1475622), (146, 1435194), (213, 983748), (219, 956796), (284, 737811), (292, 717597), (426, 491874), (438, 478398), (639, 327916), (657, 318932), (852, 245937), (876, 239199), (1123, 186588), (1278, 163958), (1314, 159466), (2246, 93294), (2556, 81979), (2628, 79733), (3369, 62196), (4492, 46647), (5183, 40428), (6738, 31098), (10107, 20732), (10366, 20214), (13476, 15549)]