313156676

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 658249536

約数和(自身を除く): 345092860

約数列:

[1, 2, 4, 7, 14, 28, 47, 61, 83, 94, 122, 166, 188, 244, 329, 332, 427, 581, 658, 854, 1162, 1316, 1708, 2209, 2324, 2867, 3901, 4418, 5063, 5734, 7802, 8836, 10126, 11468, 15463, 15604, 20069, 20252, 27307, 30926, 35441, 40138, 54614, 61852, 70882, 80276, 109228, 134749, 141764, 183347, 237961, 269498, 366694, 475922, 538996, 733388, 943243, 951844, 1283429, 1665727, 1886486, 2566858, 3331454, 3772972, 5133716, 6662908, 11184167, 22368334, 44736668, 78289169, 156578338, 313156676]

約数ペア:

[(1, 313156676), (2, 156578338), (4, 78289169), (7, 44736668), (14, 22368334), (28, 11184167), (47, 6662908), (61, 5133716), (83, 3772972), (94, 3331454), (122, 2566858), (166, 1886486), (188, 1665727), (244, 1283429), (329, 951844), (332, 943243), (427, 733388), (581, 538996), (658, 475922), (854, 366694), (1162, 269498), (1316, 237961), (1708, 183347), (2209, 141764), (2324, 134749), (2867, 109228), (3901, 80276), (4418, 70882), (5063, 61852), (5734, 54614), (7802, 40138), (8836, 35441), (10126, 30926), (11468, 27307), (15463, 20252), (15604, 20069)]