31517824

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 71677440

約数和(自身を除く): 40159616

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 47, 52, 62, 64, 94, 104, 124, 128, 169, 188, 208, 248, 338, 376, 403, 416, 496, 611, 676, 752, 806, 832, 992, 1222, 1352, 1457, 1504, 1612, 1664, 1984, 2444, 2704, 2914, 3008, 3224, 3968, 4888, 5239, 5408, 5828, 6016, 6448, 7943, 9776, 10478, 10816, 11656, 12896, 15886, 18941, 19552, 20956, 21632, 23312, 25792, 31772, 37882, 39104, 41912, 46624, 51584, 63544, 75764, 78208, 83824, 93248, 127088, 151528, 167648, 186496, 246233, 254176, 303056, 335296, 492466, 508352, 606112, 670592, 984932, 1016704, 1212224, 1969864, 2424448, 3939728, 7879456, 15758912, 31517824]

約数ペア:

[(1, 31517824), (2, 15758912), (4, 7879456), (8, 3939728), (13, 2424448), (16, 1969864), (26, 1212224), (31, 1016704), (32, 984932), (47, 670592), (52, 606112), (62, 508352), (64, 492466), (94, 335296), (104, 303056), (124, 254176), (128, 246233), (169, 186496), (188, 167648), (208, 151528), (248, 127088), (338, 93248), (376, 83824), (403, 78208), (416, 75764), (496, 63544), (611, 51584), (676, 46624), (752, 41912), (806, 39104), (832, 37882), (992, 31772), (1222, 25792), (1352, 23312), (1457, 21632), (1504, 20956), (1612, 19552), (1664, 18941), (1984, 15886), (2444, 12896), (2704, 11656), (2914, 10816), (3008, 10478), (3224, 9776), (3968, 7943), (4888, 6448), (5239, 6016), (5408, 5828)]