78781612

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:676

約数の個数: 60

約数和(自身を含む): 173482736

約数和(自身を除く): 94701124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 631, 637, 686, 1262, 1274, 1372, 2401, 2524, 2548, 4417, 4459, 4802, 8203, 8834, 8918, 9604, 16406, 17668, 17836, 30919, 31213, 32812, 57421, 61838, 62426, 114842, 123676, 124852, 216433, 229684, 401947, 432866, 803894, 865732, 1515031, 1607788, 2813629, 3030062, 5627258, 6060124, 11254516, 19695403, 39390806, 78781612]

約数ペア:

[(1, 78781612), (2, 39390806), (4, 19695403), (7, 11254516), (13, 6060124), (14, 5627258), (26, 3030062), (28, 2813629), (49, 1607788), (52, 1515031), (91, 865732), (98, 803894), (182, 432866), (196, 401947), (343, 229684), (364, 216433), (631, 124852), (637, 123676), (686, 114842), (1262, 62426), (1274, 61838), (1372, 57421), (2401, 32812), (2524, 31213), (2548, 30919), (4417, 17836), (4459, 17668), (4802, 16406), (8203, 9604), (8834, 8918)]