81830872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 171072000

約数和(自身を除く): 89241128

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 89, 92, 152, 178, 184, 263, 356, 437, 526, 712, 874, 1052, 1691, 1748, 2047, 2104, 3382, 3496, 4094, 4997, 6049, 6764, 8188, 9994, 12098, 13528, 16376, 19988, 23407, 24196, 38893, 39976, 46814, 48392, 77786, 93628, 114931, 155572, 187256, 229862, 311144, 444733, 459724, 538361, 889466, 919448, 1076722, 1778932, 2153444, 3557864, 4306888, 10228859, 20457718, 40915436, 81830872]

約数ペア:

[(1, 81830872), (2, 40915436), (4, 20457718), (8, 10228859), (19, 4306888), (23, 3557864), (38, 2153444), (46, 1778932), (76, 1076722), (89, 919448), (92, 889466), (152, 538361), (178, 459724), (184, 444733), (263, 311144), (356, 229862), (437, 187256), (526, 155572), (712, 114931), (874, 93628), (1052, 77786), (1691, 48392), (1748, 46814), (2047, 39976), (2104, 38893), (3382, 24196), (3496, 23407), (4094, 19988), (4997, 16376), (6049, 13528), (6764, 12098), (8188, 9994)]