208067828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 396474624

約数和(自身を除く): 188406796

約数列:

[1, 2, 4, 17, 34, 61, 68, 103, 122, 206, 244, 412, 487, 974, 1037, 1751, 1948, 2074, 3502, 4148, 6283, 7004, 8279, 12566, 16558, 25132, 29707, 33116, 50161, 59414, 100322, 106811, 118828, 200644, 213622, 427244, 505019, 852737, 1010038, 1705474, 2020076, 3059821, 3410948, 6119642, 12239284, 52016957, 104033914, 208067828]

約数ペア:

[(1, 208067828), (2, 104033914), (4, 52016957), (17, 12239284), (34, 6119642), (61, 3410948), (68, 3059821), (103, 2020076), (122, 1705474), (206, 1010038), (244, 852737), (412, 505019), (487, 427244), (974, 213622), (1037, 200644), (1751, 118828), (1948, 106811), (2074, 100322), (3502, 59414), (4148, 50161), (6283, 33116), (7004, 29707), (8279, 25132), (12566, 16558)]