128450608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1874

約数の個数: 80

約数和(自身を含む): 301980672

約数和(自身を除く): 173530064

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 286, 341, 403, 496, 572, 682, 806, 1144, 1364, 1612, 1811, 2288, 2728, 3224, 3622, 4433, 5456, 6448, 7244, 8866, 14488, 17732, 19921, 23543, 28976, 35464, 39842, 47086, 56141, 70928, 79684, 94172, 112282, 159368, 188344, 224564, 258973, 318736, 376688, 449128, 517946, 617551, 729833, 898256, 1035892, 1235102, 1459666, 2071784, 2470204, 2919332, 4143568, 4940408, 5838664, 8028163, 9880816, 11677328, 16056326, 32112652, 64225304, 128450608]

約数ペア:

[(1, 128450608), (2, 64225304), (4, 32112652), (8, 16056326), (11, 11677328), (13, 9880816), (16, 8028163), (22, 5838664), (26, 4940408), (31, 4143568), (44, 2919332), (52, 2470204), (62, 2071784), (88, 1459666), (104, 1235102), (124, 1035892), (143, 898256), (176, 729833), (208, 617551), (248, 517946), (286, 449128), (341, 376688), (403, 318736), (496, 258973), (572, 224564), (682, 188344), (806, 159368), (1144, 112282), (1364, 94172), (1612, 79684), (1811, 70928), (2288, 56141), (2728, 47086), (3224, 39842), (3622, 35464), (4433, 28976), (5456, 23543), (6448, 19921), (7244, 17732), (8866, 14488)]