215723872

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:613

約数の個数: 144

約数和(自身を含む): 561057840

約数和(自身を除く): 345333968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 76, 91, 98, 104, 112, 133, 152, 182, 196, 208, 224, 247, 266, 304, 364, 392, 416, 494, 532, 557, 608, 637, 728, 784, 931, 988, 1064, 1114, 1274, 1456, 1568, 1729, 1862, 1976, 2128, 2228, 2548, 2912, 3458, 3724, 3899, 3952, 4256, 4456, 5096, 6916, 7241, 7448, 7798, 7904, 8912, 10192, 10583, 12103, 13832, 14482, 14896, 15596, 17824, 20384, 21166, 24206, 27293, 27664, 28964, 29792, 31192, 42332, 48412, 50687, 54586, 55328, 57928, 62384, 74081, 84664, 96824, 101374, 109172, 115856, 124768, 137579, 148162, 169328, 193648, 202748, 218344, 231712, 275158, 296324, 338656, 354809, 387296, 405496, 436688, 518567, 550316, 592648, 709618, 810992, 873376, 963053, 1037134, 1100632, 1185296, 1419236, 1621984, 1926106, 2074268, 2201264, 2370592, 2838472, 3852212, 4148536, 4402528, 5676944, 6741371, 7704424, 8297072, 11353888, 13482742, 15408848, 16594144, 26965484, 30817696, 53930968, 107861936, 215723872]

約数ペア:

[(1, 215723872), (2, 107861936), (4, 53930968), (7, 30817696), (8, 26965484), (13, 16594144), (14, 15408848), (16, 13482742), (19, 11353888), (26, 8297072), (28, 7704424), (32, 6741371), (38, 5676944), (49, 4402528), (52, 4148536), (56, 3852212), (76, 2838472), (91, 2370592), (98, 2201264), (104, 2074268), (112, 1926106), (133, 1621984), (152, 1419236), (182, 1185296), (196, 1100632), (208, 1037134), (224, 963053), (247, 873376), (266, 810992), (304, 709618), (364, 592648), (392, 550316), (416, 518567), (494, 436688), (532, 405496), (557, 387296), (608, 354809), (637, 338656), (728, 296324), (784, 275158), (931, 231712), (988, 218344), (1064, 202748), (1114, 193648), (1274, 169328), (1456, 148162), (1568, 137579), (1729, 124768), (1862, 115856), (1976, 109172), (2128, 101374), (2228, 96824), (2548, 84664), (2912, 74081), (3458, 62384), (3724, 57928), (3899, 55328), (3952, 54586), (4256, 50687), (4456, 48412), (5096, 42332), (6916, 31192), (7241, 29792), (7448, 28964), (7798, 27664), (7904, 27293), (8912, 24206), (10192, 21166), (10583, 20384), (12103, 17824), (13832, 15596), (14482, 14896)]