721863384

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3923}}^1$

素因数の和:4001

約数の個数: 128

約数和(自身を含む): 2135911680

約数和(自身を除く): 1414048296

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 41, 44, 51, 66, 68, 82, 88, 102, 123, 132, 136, 164, 187, 204, 246, 264, 328, 374, 408, 451, 492, 561, 697, 748, 902, 984, 1122, 1353, 1394, 1496, 1804, 2091, 2244, 2706, 2788, 3608, 3923, 4182, 4488, 5412, 5576, 7667, 7846, 8364, 10824, 11769, 15334, 15692, 16728, 23001, 23538, 30668, 31384, 43153, 46002, 47076, 61336, 66691, 86306, 92004, 94152, 129459, 133382, 160843, 172612, 184008, 200073, 258918, 266764, 321686, 345224, 400146, 482529, 517836, 533528, 643372, 733601, 800292, 965058, 1035672, 1286744, 1467202, 1600584, 1769273, 1930116, 2200803, 2734331, 2934404, 3538546, 3860232, 4401606, 5307819, 5468662, 5868808, 7077092, 8202993, 8803212, 10615638, 10937324, 14154184, 16405986, 17606424, 21231276, 21874648, 30077641, 32811972, 42462552, 60155282, 65623944, 90232923, 120310564, 180465846, 240621128, 360931692, 721863384]

約数ペア:

[(1, 721863384), (2, 360931692), (3, 240621128), (4, 180465846), (6, 120310564), (8, 90232923), (11, 65623944), (12, 60155282), (17, 42462552), (22, 32811972), (24, 30077641), (33, 21874648), (34, 21231276), (41, 17606424), (44, 16405986), (51, 14154184), (66, 10937324), (68, 10615638), (82, 8803212), (88, 8202993), (102, 7077092), (123, 5868808), (132, 5468662), (136, 5307819), (164, 4401606), (187, 3860232), (204, 3538546), (246, 2934404), (264, 2734331), (328, 2200803), (374, 1930116), (408, 1769273), (451, 1600584), (492, 1467202), (561, 1286744), (697, 1035672), (748, 965058), (902, 800292), (984, 733601), (1122, 643372), (1353, 533528), (1394, 517836), (1496, 482529), (1804, 400146), (2091, 345224), (2244, 321686), (2706, 266764), (2788, 258918), (3608, 200073), (3923, 184008), (4182, 172612), (4488, 160843), (5412, 133382), (5576, 129459), (7667, 94152), (7846, 92004), (8364, 86306), (10824, 66691), (11769, 61336), (15334, 47076), (15692, 46002), (16728, 43153), (23001, 31384), (23538, 30668)]