397495808

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1409}}^1$

素因数の和:1475

約数の個数: 80

約数和(自身を含む): 865458000

約数和(自身を除く): 467962192

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 232, 256, 304, 464, 512, 551, 608, 928, 1102, 1216, 1409, 1856, 2204, 2432, 2818, 3712, 4408, 4864, 5636, 7424, 8816, 9728, 11272, 14848, 17632, 22544, 26771, 35264, 40861, 45088, 53542, 70528, 81722, 90176, 107084, 141056, 163444, 180352, 214168, 282112, 326888, 360704, 428336, 653776, 721408, 776359, 856672, 1307552, 1552718, 1713344, 2615104, 3105436, 3426688, 5230208, 6210872, 6853376, 10460416, 12421744, 13706752, 20920832, 24843488, 49686976, 99373952, 198747904, 397495808]

約数ペア:

[(1, 397495808), (2, 198747904), (4, 99373952), (8, 49686976), (16, 24843488), (19, 20920832), (29, 13706752), (32, 12421744), (38, 10460416), (58, 6853376), (64, 6210872), (76, 5230208), (116, 3426688), (128, 3105436), (152, 2615104), (232, 1713344), (256, 1552718), (304, 1307552), (464, 856672), (512, 776359), (551, 721408), (608, 653776), (928, 428336), (1102, 360704), (1216, 326888), (1409, 282112), (1856, 214168), (2204, 180352), (2432, 163444), (2818, 141056), (3712, 107084), (4408, 90176), (4864, 81722), (5636, 70528), (7424, 53542), (8816, 45088), (9728, 40861), (11272, 35264), (14848, 26771), (17632, 22544)]