647153208

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1307}}^1$

素因数の和:1378

約数の個数: 144

約数和(自身を含む): 1974674520

約数和(自身を除く): 1327521312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 69, 72, 78, 92, 104, 117, 138, 156, 184, 207, 234, 276, 299, 312, 414, 468, 529, 552, 598, 828, 897, 936, 1058, 1196, 1307, 1587, 1656, 1794, 2116, 2392, 2614, 2691, 3174, 3588, 3921, 4232, 4761, 5228, 5382, 6348, 6877, 7176, 7842, 9522, 10456, 10764, 11763, 12696, 13754, 15684, 16991, 19044, 20631, 21528, 23526, 27508, 30061, 31368, 33982, 38088, 41262, 47052, 50973, 55016, 60122, 61893, 67964, 82524, 90183, 94104, 101946, 120244, 123786, 135928, 152919, 165048, 180366, 203892, 240488, 247572, 270549, 305838, 360732, 390793, 407784, 495144, 541098, 611676, 691403, 721464, 781586, 1082196, 1172379, 1223352, 1382806, 1563172, 2074209, 2164392, 2344758, 2765612, 3126344, 3517137, 4148418, 4689516, 5531224, 6222627, 7034274, 8296836, 8988239, 9379032, 12445254, 14068548, 16593672, 17976478, 24890508, 26964717, 28137096, 35952956, 49781016, 53929434, 71905912, 80894151, 107858868, 161788302, 215717736, 323576604, 647153208]

約数ペア:

[(1, 647153208), (2, 323576604), (3, 215717736), (4, 161788302), (6, 107858868), (8, 80894151), (9, 71905912), (12, 53929434), (13, 49781016), (18, 35952956), (23, 28137096), (24, 26964717), (26, 24890508), (36, 17976478), (39, 16593672), (46, 14068548), (52, 12445254), (69, 9379032), (72, 8988239), (78, 8296836), (92, 7034274), (104, 6222627), (117, 5531224), (138, 4689516), (156, 4148418), (184, 3517137), (207, 3126344), (234, 2765612), (276, 2344758), (299, 2164392), (312, 2074209), (414, 1563172), (468, 1382806), (529, 1223352), (552, 1172379), (598, 1082196), (828, 781586), (897, 721464), (936, 691403), (1058, 611676), (1196, 541098), (1307, 495144), (1587, 407784), (1656, 390793), (1794, 360732), (2116, 305838), (2392, 270549), (2614, 247572), (2691, 240488), (3174, 203892), (3588, 180366), (3921, 165048), (4232, 152919), (4761, 135928), (5228, 123786), (5382, 120244), (6348, 101946), (6877, 94104), (7176, 90183), (7842, 82524), (9522, 67964), (10456, 61893), (10764, 60122), (11763, 55016), (12696, 50973), (13754, 47052), (15684, 41262), (16991, 38088), (19044, 33982), (20631, 31368), (21528, 30061), (23526, 27508)]