220882688

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1$

素因数の和:2201

約数の個数: 72

約数和(自身を含む): 490363776

約数和(自身を除く): 269481088

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 2141, 3224, 3328, 3968, 4282, 6448, 7936, 8564, 12896, 17128, 25792, 27833, 34256, 51584, 55666, 66371, 68512, 103168, 111332, 132742, 137024, 222664, 265484, 274048, 445328, 530968, 548096, 862823, 890656, 1061936, 1725646, 1781312, 2123872, 3451292, 3562624, 4247744, 6902584, 7125248, 8495488, 13805168, 16990976, 27610336, 55220672, 110441344, 220882688]

約数ペア:

[(1, 220882688), (2, 110441344), (4, 55220672), (8, 27610336), (13, 16990976), (16, 13805168), (26, 8495488), (31, 7125248), (32, 6902584), (52, 4247744), (62, 3562624), (64, 3451292), (104, 2123872), (124, 1781312), (128, 1725646), (208, 1061936), (248, 890656), (256, 862823), (403, 548096), (416, 530968), (496, 445328), (806, 274048), (832, 265484), (992, 222664), (1612, 137024), (1664, 132742), (1984, 111332), (2141, 103168), (3224, 68512), (3328, 66371), (3968, 55666), (4282, 51584), (6448, 34256), (7936, 27833), (8564, 25792), (12896, 17128)]