258128072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1974

約数の個数: 64

約数和(自身を含む): 544320000

約数和(自身を除く): 286191928

約数列:

[1, 2, 4, 8, 19, 29, 31, 38, 58, 62, 76, 116, 124, 152, 232, 248, 551, 589, 899, 1102, 1178, 1798, 1889, 2204, 2356, 3596, 3778, 4408, 4712, 7192, 7556, 15112, 17081, 34162, 35891, 54781, 58559, 68324, 71782, 109562, 117118, 136648, 143564, 219124, 234236, 287128, 438248, 468472, 1040839, 1112621, 1698211, 2081678, 2225242, 3396422, 4163356, 4450484, 6792844, 8326712, 8900968, 13585688, 32266009, 64532018, 129064036, 258128072]

約数ペア:

[(1, 258128072), (2, 129064036), (4, 64532018), (8, 32266009), (19, 13585688), (29, 8900968), (31, 8326712), (38, 6792844), (58, 4450484), (62, 4163356), (76, 3396422), (116, 2225242), (124, 2081678), (152, 1698211), (232, 1112621), (248, 1040839), (551, 468472), (589, 438248), (899, 287128), (1102, 234236), (1178, 219124), (1798, 143564), (1889, 136648), (2204, 117118), (2356, 109562), (3596, 71782), (3778, 68324), (4408, 58559), (4712, 54781), (7192, 35891), (7556, 34162), (15112, 17081)]