221010504

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1011

約数の個数: 128

約数和(自身を含む): 658990080

約数和(自身を除く): 437979576

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 71, 78, 88, 104, 132, 142, 143, 156, 213, 264, 284, 286, 312, 426, 429, 568, 572, 781, 852, 858, 907, 923, 1144, 1562, 1704, 1716, 1814, 1846, 2343, 2721, 2769, 3124, 3432, 3628, 3692, 4686, 5442, 5538, 6248, 7256, 7384, 9372, 9977, 10153, 10884, 11076, 11791, 18744, 19954, 20306, 21768, 22152, 23582, 29931, 30459, 35373, 39908, 40612, 47164, 59862, 60918, 64397, 70746, 79816, 81224, 94328, 119724, 121836, 128794, 129701, 141492, 193191, 239448, 243672, 257588, 259402, 282984, 386382, 389103, 515176, 518804, 708367, 772764, 778206, 837161, 1037608, 1416734, 1545528, 1556412, 1674322, 2125101, 2511483, 2833468, 3112824, 3348644, 4250202, 5022966, 5666936, 6697288, 8500404, 9208771, 10045932, 17000808, 18417542, 20091864, 27626313, 36835084, 55252626, 73670168, 110505252, 221010504]

約数ペア:

[(1, 221010504), (2, 110505252), (3, 73670168), (4, 55252626), (6, 36835084), (8, 27626313), (11, 20091864), (12, 18417542), (13, 17000808), (22, 10045932), (24, 9208771), (26, 8500404), (33, 6697288), (39, 5666936), (44, 5022966), (52, 4250202), (66, 3348644), (71, 3112824), (78, 2833468), (88, 2511483), (104, 2125101), (132, 1674322), (142, 1556412), (143, 1545528), (156, 1416734), (213, 1037608), (264, 837161), (284, 778206), (286, 772764), (312, 708367), (426, 518804), (429, 515176), (568, 389103), (572, 386382), (781, 282984), (852, 259402), (858, 257588), (907, 243672), (923, 239448), (1144, 193191), (1562, 141492), (1704, 129701), (1716, 128794), (1814, 121836), (1846, 119724), (2343, 94328), (2721, 81224), (2769, 79816), (3124, 70746), (3432, 64397), (3628, 60918), (3692, 59862), (4686, 47164), (5442, 40612), (5538, 39908), (6248, 35373), (7256, 30459), (7384, 29931), (9372, 23582), (9977, 22152), (10153, 21768), (10884, 20306), (11076, 19954), (11791, 18744)]