178938252

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1097}}^1$

素因数の和:1327

約数の個数: 72

約数和(自身を含む): 474810336

約数和(自身を除く): 295872084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 197, 207, 276, 394, 414, 591, 788, 828, 1097, 1182, 1773, 2194, 2364, 3291, 3546, 4388, 4531, 6582, 7092, 9062, 9873, 13164, 13593, 18124, 19746, 25231, 27186, 39492, 40779, 50462, 54372, 75693, 81558, 100924, 151386, 163116, 216109, 227079, 302772, 432218, 454158, 648327, 864436, 908316, 1296654, 1944981, 2593308, 3889962, 4970507, 7779924, 9941014, 14911521, 19882028, 29823042, 44734563, 59646084, 89469126, 178938252]

約数ペア:

[(1, 178938252), (2, 89469126), (3, 59646084), (4, 44734563), (6, 29823042), (9, 19882028), (12, 14911521), (18, 9941014), (23, 7779924), (36, 4970507), (46, 3889962), (69, 2593308), (92, 1944981), (138, 1296654), (197, 908316), (207, 864436), (276, 648327), (394, 454158), (414, 432218), (591, 302772), (788, 227079), (828, 216109), (1097, 163116), (1182, 151386), (1773, 100924), (2194, 81558), (2364, 75693), (3291, 54372), (3546, 50462), (4388, 40779), (4531, 39492), (6582, 27186), (7092, 25231), (9062, 19746), (9873, 18124), (13164, 13593)]