78617896

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2066

約数の個数: 64

約数和(自身を含む): 182217600

約数和(自身を除く): 103599704

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 37, 38, 56, 74, 76, 133, 148, 152, 259, 266, 296, 518, 532, 703, 1036, 1064, 1406, 1997, 2072, 2812, 3994, 4921, 5624, 7988, 9842, 13979, 15976, 19684, 27958, 37943, 39368, 55916, 73889, 75886, 111832, 147778, 151772, 265601, 295556, 303544, 517223, 531202, 591112, 1034446, 1062404, 1403891, 2068892, 2124808, 2807782, 4137784, 5615564, 9827237, 11231128, 19654474, 39308948, 78617896]

約数ペア:

[(1, 78617896), (2, 39308948), (4, 19654474), (7, 11231128), (8, 9827237), (14, 5615564), (19, 4137784), (28, 2807782), (37, 2124808), (38, 2068892), (56, 1403891), (74, 1062404), (76, 1034446), (133, 591112), (148, 531202), (152, 517223), (259, 303544), (266, 295556), (296, 265601), (518, 151772), (532, 147778), (703, 111832), (1036, 75886), (1064, 73889), (1406, 55916), (1997, 39368), (2072, 37943), (2812, 27958), (3994, 19684), (4921, 15976), (5624, 13979), (7988, 9842)]