1987615028

素因数分解:

$2^2\times 7^4\times {\mathrm{349}}^1\times {\mathrm{593}}^1$

素因数の和:974

約数の個数: 60

約数和(自身を含む): 4076295300

約数和(自身を除く): 2088680272

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 349, 593, 686, 698, 1186, 1372, 1396, 2372, 2401, 2443, 4151, 4802, 4886, 8302, 9604, 9772, 16604, 17101, 29057, 34202, 58114, 68404, 116228, 119707, 203399, 206957, 239414, 406798, 413914, 478828, 813596, 827828, 837949, 1423793, 1448699, 1675898, 2847586, 2897398, 3351796, 5695172, 5794796, 10140893, 20281786, 40563572, 70986251, 141972502, 283945004, 496903757, 993807514, 1987615028]

約数ペア:

[(1, 1987615028), (2, 993807514), (4, 496903757), (7, 283945004), (14, 141972502), (28, 70986251), (49, 40563572), (98, 20281786), (196, 10140893), (343, 5794796), (349, 5695172), (593, 3351796), (686, 2897398), (698, 2847586), (1186, 1675898), (1372, 1448699), (1396, 1423793), (2372, 837949), (2401, 827828), (2443, 813596), (4151, 478828), (4802, 413914), (4886, 406798), (8302, 239414), (9604, 206957), (9772, 203399), (16604, 119707), (17101, 116228), (29057, 68404), (34202, 58114)]