261388416

素因数分解:

$2^7\times 3^1\times {\mathrm{61}}^1\times {\mathrm{11159}}^1$

素因数の和:11237

約数の個数: 64

約数和(自身を含む): 705758400

約数和(自身を除く): 444369984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 366, 384, 488, 732, 976, 1464, 1952, 2928, 3904, 5856, 7808, 11159, 11712, 22318, 23424, 33477, 44636, 66954, 89272, 133908, 178544, 267816, 357088, 535632, 680699, 714176, 1071264, 1361398, 1428352, 2042097, 2142528, 2722796, 4084194, 4285056, 5445592, 8168388, 10891184, 16336776, 21782368, 32673552, 43564736, 65347104, 87129472, 130694208, 261388416]

約数ペア:

[(1, 261388416), (2, 130694208), (3, 87129472), (4, 65347104), (6, 43564736), (8, 32673552), (12, 21782368), (16, 16336776), (24, 10891184), (32, 8168388), (48, 5445592), (61, 4285056), (64, 4084194), (96, 2722796), (122, 2142528), (128, 2042097), (183, 1428352), (192, 1361398), (244, 1071264), (366, 714176), (384, 680699), (488, 535632), (732, 357088), (976, 267816), (1464, 178544), (1952, 133908), (2928, 89272), (3904, 66954), (5856, 44636), (7808, 33477), (11159, 23424), (11712, 22318)]