211515904

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1333

約数の個数: 80

約数和(自身を含む): 471398400

約数和(自身を除く): 259882496

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 256, 272, 304, 323, 512, 544, 608, 646, 1088, 1216, 1279, 1292, 2176, 2432, 2558, 2584, 4352, 4864, 5116, 5168, 8704, 9728, 10232, 10336, 20464, 20672, 21743, 24301, 40928, 41344, 43486, 48602, 81856, 82688, 86972, 97204, 163712, 165376, 173944, 194408, 327424, 347888, 388816, 413117, 654848, 695776, 777632, 826234, 1391552, 1555264, 1652468, 2783104, 3110528, 3304936, 5566208, 6221056, 6609872, 11132416, 12442112, 13219744, 26439488, 52878976, 105757952, 211515904]

約数ペア:

[(1, 211515904), (2, 105757952), (4, 52878976), (8, 26439488), (16, 13219744), (17, 12442112), (19, 11132416), (32, 6609872), (34, 6221056), (38, 5566208), (64, 3304936), (68, 3110528), (76, 2783104), (128, 1652468), (136, 1555264), (152, 1391552), (256, 826234), (272, 777632), (304, 695776), (323, 654848), (512, 413117), (544, 388816), (608, 347888), (646, 327424), (1088, 194408), (1216, 173944), (1279, 165376), (1292, 163712), (2176, 97204), (2432, 86972), (2558, 82688), (2584, 81856), (4352, 48602), (4864, 43486), (5116, 41344), (5168, 40928), (8704, 24301), (9728, 21743), (10232, 20672), (10336, 20464)]