221340912

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{823}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 617960448

約数和(自身を除く): 396619536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 431, 624, 823, 862, 1293, 1646, 1724, 2469, 2586, 3292, 3448, 4938, 5172, 5603, 6584, 6896, 9876, 10344, 10699, 11206, 13168, 16809, 19752, 20688, 21398, 22412, 32097, 33618, 39504, 42796, 44824, 64194, 67236, 85592, 89648, 128388, 134472, 171184, 256776, 268944, 354713, 513552, 709426, 1064139, 1418852, 2128278, 2837704, 4256556, 4611269, 5675408, 8513112, 9222538, 13833807, 17026224, 18445076, 27667614, 36890152, 55335228, 73780304, 110670456, 221340912]

約数ペア:

[(1, 221340912), (2, 110670456), (3, 73780304), (4, 55335228), (6, 36890152), (8, 27667614), (12, 18445076), (13, 17026224), (16, 13833807), (24, 9222538), (26, 8513112), (39, 5675408), (48, 4611269), (52, 4256556), (78, 2837704), (104, 2128278), (156, 1418852), (208, 1064139), (312, 709426), (431, 513552), (624, 354713), (823, 268944), (862, 256776), (1293, 171184), (1646, 134472), (1724, 128388), (2469, 89648), (2586, 85592), (3292, 67236), (3448, 64194), (4938, 44824), (5172, 42796), (5603, 39504), (6584, 33618), (6896, 32097), (9876, 22412), (10344, 21398), (10699, 20688), (11206, 19752), (13168, 16809)]