254197242

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:764

約数の個数: 96

約数和(自身を含む): 628363008

約数和(自身を除く): 374165766

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 73, 78, 117, 138, 146, 207, 219, 234, 299, 414, 438, 598, 647, 657, 897, 949, 1294, 1314, 1679, 1794, 1898, 1941, 2691, 2847, 3358, 3882, 5037, 5382, 5694, 5823, 8411, 8541, 10074, 11646, 14881, 15111, 16822, 17082, 21827, 25233, 29762, 30222, 43654, 44643, 47231, 50466, 65481, 75699, 89286, 94462, 130962, 133929, 141693, 151398, 193453, 196443, 267858, 283386, 386906, 392886, 425079, 580359, 614003, 850158, 1086313, 1160718, 1228006, 1741077, 1842009, 2172626, 3258939, 3482154, 3684018, 5526027, 6517878, 9776817, 11052054, 14122069, 19553634, 28244138, 42366207, 84732414, 127098621, 254197242]

約数ペア:

[(1, 254197242), (2, 127098621), (3, 84732414), (6, 42366207), (9, 28244138), (13, 19553634), (18, 14122069), (23, 11052054), (26, 9776817), (39, 6517878), (46, 5526027), (69, 3684018), (73, 3482154), (78, 3258939), (117, 2172626), (138, 1842009), (146, 1741077), (207, 1228006), (219, 1160718), (234, 1086313), (299, 850158), (414, 614003), (438, 580359), (598, 425079), (647, 392886), (657, 386906), (897, 283386), (949, 267858), (1294, 196443), (1314, 193453), (1679, 151398), (1794, 141693), (1898, 133929), (1941, 130962), (2691, 94462), (2847, 89286), (3358, 75699), (3882, 65481), (5037, 50466), (5382, 47231), (5694, 44643), (5823, 43654), (8411, 30222), (8541, 29762), (10074, 25233), (11646, 21827), (14881, 17082), (15111, 16822)]