68943728

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 159227904

約数和(自身を除く): 90284176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 127, 131, 148, 254, 259, 262, 296, 508, 518, 524, 592, 889, 917, 1016, 1036, 1048, 1778, 1834, 2032, 2072, 2096, 3556, 3668, 4144, 4699, 4847, 7112, 7336, 9398, 9694, 14224, 14672, 16637, 18796, 19388, 32893, 33274, 33929, 37592, 38776, 65786, 66548, 67858, 75184, 77552, 116459, 131572, 133096, 135716, 232918, 263144, 266192, 271432, 465836, 526288, 542864, 615569, 931672, 1231138, 1863344, 2462276, 4308983, 4924552, 8617966, 9849104, 17235932, 34471864, 68943728]

約数ペア:

[(1, 68943728), (2, 34471864), (4, 17235932), (7, 9849104), (8, 8617966), (14, 4924552), (16, 4308983), (28, 2462276), (37, 1863344), (56, 1231138), (74, 931672), (112, 615569), (127, 542864), (131, 526288), (148, 465836), (254, 271432), (259, 266192), (262, 263144), (296, 232918), (508, 135716), (518, 133096), (524, 131572), (592, 116459), (889, 77552), (917, 75184), (1016, 67858), (1036, 66548), (1048, 65786), (1778, 38776), (1834, 37592), (2032, 33929), (2072, 33274), (2096, 32893), (3556, 19388), (3668, 18796), (4144, 16637), (4699, 14672), (4847, 14224), (7112, 9694), (7336, 9398)]