78931356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 215517456

約数和(自身を除く): 136586100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 241, 294, 482, 557, 588, 723, 964, 1114, 1446, 1671, 1687, 2228, 2892, 3342, 3374, 3899, 5061, 6684, 6748, 7798, 10122, 11697, 11809, 15596, 20244, 23394, 23618, 27293, 35427, 46788, 47236, 54586, 70854, 81879, 109172, 134237, 141708, 163758, 268474, 327516, 402711, 536948, 805422, 939659, 1610844, 1879318, 2818977, 3758636, 5637954, 6577613, 11275908, 13155226, 19732839, 26310452, 39465678, 78931356]

約数ペア:

[(1, 78931356), (2, 39465678), (3, 26310452), (4, 19732839), (6, 13155226), (7, 11275908), (12, 6577613), (14, 5637954), (21, 3758636), (28, 2818977), (42, 1879318), (49, 1610844), (84, 939659), (98, 805422), (147, 536948), (196, 402711), (241, 327516), (294, 268474), (482, 163758), (557, 141708), (588, 134237), (723, 109172), (964, 81879), (1114, 70854), (1446, 54586), (1671, 47236), (1687, 46788), (2228, 35427), (2892, 27293), (3342, 23618), (3374, 23394), (3899, 20244), (5061, 15596), (6684, 11809), (6748, 11697), (7798, 10122)]