31191984

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 91748592

約数和(自身を除く): 60556608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 61, 67, 72, 106, 122, 134, 144, 159, 183, 201, 212, 244, 268, 318, 366, 402, 424, 477, 488, 536, 549, 603, 636, 732, 804, 848, 954, 976, 1072, 1098, 1206, 1272, 1464, 1608, 1908, 2196, 2412, 2544, 2928, 3216, 3233, 3551, 3816, 4087, 4392, 4824, 6466, 7102, 7632, 8174, 8784, 9648, 9699, 10653, 12261, 12932, 14204, 16348, 19398, 21306, 24522, 25864, 28408, 29097, 31959, 32696, 36783, 38796, 42612, 49044, 51728, 56816, 58194, 63918, 65392, 73566, 77592, 85224, 98088, 116388, 127836, 147132, 155184, 170448, 196176, 216611, 232776, 255672, 294264, 433222, 465552, 511344, 588528, 649833, 866444, 1299666, 1732888, 1949499, 2599332, 3465776, 3898998, 5198664, 7797996, 10397328, 15595992, 31191984]

約数ペア:

[(1, 31191984), (2, 15595992), (3, 10397328), (4, 7797996), (6, 5198664), (8, 3898998), (9, 3465776), (12, 2599332), (16, 1949499), (18, 1732888), (24, 1299666), (36, 866444), (48, 649833), (53, 588528), (61, 511344), (67, 465552), (72, 433222), (106, 294264), (122, 255672), (134, 232776), (144, 216611), (159, 196176), (183, 170448), (201, 155184), (212, 147132), (244, 127836), (268, 116388), (318, 98088), (366, 85224), (402, 77592), (424, 73566), (477, 65392), (488, 63918), (536, 58194), (549, 56816), (603, 51728), (636, 49044), (732, 42612), (804, 38796), (848, 36783), (954, 32696), (976, 31959), (1072, 29097), (1098, 28408), (1206, 25864), (1272, 24522), (1464, 21306), (1608, 19398), (1908, 16348), (2196, 14204), (2412, 12932), (2544, 12261), (2928, 10653), (3216, 9699), (3233, 9648), (3551, 8784), (3816, 8174), (4087, 7632), (4392, 7102), (4824, 6466)]