221788944

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:745

約数の個数: 120

約数和(自身を含む): 672503832

約数和(自身を除く): 450714888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 257, 312, 461, 468, 514, 624, 771, 922, 936, 1028, 1383, 1542, 1844, 1872, 2056, 2313, 2766, 3084, 3341, 3688, 4112, 4149, 4626, 5532, 5993, 6168, 6682, 7376, 8298, 9252, 10023, 11064, 11986, 12336, 13364, 16596, 17979, 18504, 20046, 22128, 23972, 26728, 30069, 33192, 35958, 37008, 40092, 47944, 53456, 53937, 60138, 66384, 71916, 80184, 95888, 107874, 118477, 120276, 143832, 160368, 215748, 236954, 240552, 287664, 355431, 431496, 473908, 481104, 710862, 862992, 947816, 1066293, 1421724, 1540201, 1895632, 2132586, 2843448, 3080402, 4265172, 4620603, 5686896, 6160804, 8530344, 9241206, 12321608, 13861809, 17060688, 18482412, 24643216, 27723618, 36964824, 55447236, 73929648, 110894472, 221788944]

約数ペア:

[(1, 221788944), (2, 110894472), (3, 73929648), (4, 55447236), (6, 36964824), (8, 27723618), (9, 24643216), (12, 18482412), (13, 17060688), (16, 13861809), (18, 12321608), (24, 9241206), (26, 8530344), (36, 6160804), (39, 5686896), (48, 4620603), (52, 4265172), (72, 3080402), (78, 2843448), (104, 2132586), (117, 1895632), (144, 1540201), (156, 1421724), (208, 1066293), (234, 947816), (257, 862992), (312, 710862), (461, 481104), (468, 473908), (514, 431496), (624, 355431), (771, 287664), (922, 240552), (936, 236954), (1028, 215748), (1383, 160368), (1542, 143832), (1844, 120276), (1872, 118477), (2056, 107874), (2313, 95888), (2766, 80184), (3084, 71916), (3341, 66384), (3688, 60138), (4112, 53937), (4149, 53456), (4626, 47944), (5532, 40092), (5993, 37008), (6168, 35958), (6682, 33192), (7376, 30069), (8298, 26728), (9252, 23972), (10023, 22128), (11064, 20046), (11986, 18504), (12336, 17979), (13364, 16596)]