208539968

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:680

約数の個数: 112

約数和(自身を含む): 518550144

約数和(自身を除く): 310010176

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 61, 64, 91, 104, 112, 122, 182, 208, 224, 244, 364, 416, 427, 448, 488, 587, 728, 793, 832, 854, 976, 1174, 1456, 1586, 1708, 1952, 2348, 2912, 3172, 3416, 3904, 4109, 4696, 5551, 5824, 6344, 6832, 7631, 8218, 9392, 11102, 12688, 13664, 15262, 16436, 18784, 22204, 25376, 27328, 30524, 32872, 35807, 37568, 44408, 50752, 53417, 61048, 65744, 71614, 88816, 106834, 122096, 131488, 143228, 177632, 213668, 244192, 250649, 262976, 286456, 355264, 427336, 465491, 488384, 501298, 572912, 854672, 930982, 1002596, 1145824, 1709344, 1861964, 2005192, 2291648, 3258437, 3418688, 3723928, 4010384, 6516874, 7447856, 8020768, 13033748, 14895712, 16041536, 26067496, 29791424, 52134992, 104269984, 208539968]

約数ペア:

[(1, 208539968), (2, 104269984), (4, 52134992), (7, 29791424), (8, 26067496), (13, 16041536), (14, 14895712), (16, 13033748), (26, 8020768), (28, 7447856), (32, 6516874), (52, 4010384), (56, 3723928), (61, 3418688), (64, 3258437), (91, 2291648), (104, 2005192), (112, 1861964), (122, 1709344), (182, 1145824), (208, 1002596), (224, 930982), (244, 854672), (364, 572912), (416, 501298), (427, 488384), (448, 465491), (488, 427336), (587, 355264), (728, 286456), (793, 262976), (832, 250649), (854, 244192), (976, 213668), (1174, 177632), (1456, 143228), (1586, 131488), (1708, 122096), (1952, 106834), (2348, 88816), (2912, 71614), (3172, 65744), (3416, 61048), (3904, 53417), (4109, 50752), (4696, 44408), (5551, 37568), (5824, 35807), (6344, 32872), (6832, 30524), (7631, 27328), (8218, 25376), (9392, 22204), (11102, 18784), (12688, 16436), (13664, 15262)]