31276736

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 84

約数和(自身を含む): 70180200

約数和(自身を除く): 38903464

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 89, 136, 152, 178, 272, 289, 304, 323, 356, 544, 578, 608, 646, 712, 1088, 1156, 1216, 1292, 1424, 1513, 1691, 2312, 2584, 2848, 3026, 3382, 4624, 5168, 5491, 5696, 6052, 6764, 9248, 10336, 10982, 12104, 13528, 18496, 20672, 21964, 24208, 25721, 27056, 28747, 43928, 48416, 51442, 54112, 57494, 87856, 96832, 102884, 108224, 114988, 175712, 205768, 229976, 351424, 411536, 459952, 488699, 823072, 919904, 977398, 1646144, 1839808, 1954796, 3909592, 7819184, 15638368, 31276736]

約数ペア:

[(1, 31276736), (2, 15638368), (4, 7819184), (8, 3909592), (16, 1954796), (17, 1839808), (19, 1646144), (32, 977398), (34, 919904), (38, 823072), (64, 488699), (68, 459952), (76, 411536), (89, 351424), (136, 229976), (152, 205768), (178, 175712), (272, 114988), (289, 108224), (304, 102884), (323, 96832), (356, 87856), (544, 57494), (578, 54112), (608, 51442), (646, 48416), (712, 43928), (1088, 28747), (1156, 27056), (1216, 25721), (1292, 24208), (1424, 21964), (1513, 20672), (1691, 18496), (2312, 13528), (2584, 12104), (2848, 10982), (3026, 10336), (3382, 9248), (4624, 6764), (5168, 6052), (5491, 5696)]