820985152

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:424

約数の個数: 112

約数和(自身を含む): 1832051200

約数和(自身を除く): 1011066048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 139, 208, 229, 248, 278, 403, 416, 458, 496, 556, 806, 832, 916, 992, 1112, 1612, 1807, 1832, 1984, 2224, 2977, 3224, 3614, 3664, 4309, 4448, 5954, 6448, 7099, 7228, 7328, 8618, 8896, 11908, 12896, 14198, 14456, 14656, 17236, 23816, 25792, 28396, 28912, 31831, 34472, 47632, 56017, 56792, 57824, 63662, 68944, 92287, 95264, 112034, 113584, 115648, 127324, 137888, 184574, 190528, 224068, 227168, 254648, 275776, 369148, 413803, 448136, 454336, 509296, 738296, 827606, 896272, 986761, 1018592, 1476592, 1655212, 1792544, 1973522, 2037184, 2953184, 3310424, 3585088, 3947044, 5906368, 6620848, 7894088, 12827893, 13241696, 15788176, 25655786, 26483392, 31576352, 51311572, 63152704, 102623144, 205246288, 410492576, 820985152]

約数ペア:

[(1, 820985152), (2, 410492576), (4, 205246288), (8, 102623144), (13, 63152704), (16, 51311572), (26, 31576352), (31, 26483392), (32, 25655786), (52, 15788176), (62, 13241696), (64, 12827893), (104, 7894088), (124, 6620848), (139, 5906368), (208, 3947044), (229, 3585088), (248, 3310424), (278, 2953184), (403, 2037184), (416, 1973522), (458, 1792544), (496, 1655212), (556, 1476592), (806, 1018592), (832, 986761), (916, 896272), (992, 827606), (1112, 738296), (1612, 509296), (1807, 454336), (1832, 448136), (1984, 413803), (2224, 369148), (2977, 275776), (3224, 254648), (3614, 227168), (3664, 224068), (4309, 190528), (4448, 184574), (5954, 137888), (6448, 127324), (7099, 115648), (7228, 113584), (7328, 112034), (8618, 95264), (8896, 92287), (11908, 68944), (12896, 63662), (14198, 57824), (14456, 56792), (14656, 56017), (17236, 47632), (23816, 34472), (25792, 31831), (28396, 28912)]