156963248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 339040800

約数和(自身を除く): 182077552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 89, 104, 122, 139, 178, 208, 244, 278, 356, 488, 556, 712, 793, 976, 1112, 1157, 1424, 1586, 1807, 2224, 2314, 3172, 3614, 4628, 5429, 6344, 7228, 8479, 9256, 10858, 12371, 12688, 14456, 16958, 18512, 21716, 24742, 28912, 33916, 43432, 49484, 67832, 70577, 86864, 98968, 110227, 135664, 141154, 160823, 197936, 220454, 282308, 321646, 440908, 564616, 643292, 754631, 881816, 1129232, 1286584, 1509262, 1763632, 2573168, 3018524, 6037048, 9810203, 12074096, 19620406, 39240812, 78481624, 156963248]

約数ペア:

[(1, 156963248), (2, 78481624), (4, 39240812), (8, 19620406), (13, 12074096), (16, 9810203), (26, 6037048), (52, 3018524), (61, 2573168), (89, 1763632), (104, 1509262), (122, 1286584), (139, 1129232), (178, 881816), (208, 754631), (244, 643292), (278, 564616), (356, 440908), (488, 321646), (556, 282308), (712, 220454), (793, 197936), (976, 160823), (1112, 141154), (1157, 135664), (1424, 110227), (1586, 98968), (1807, 86864), (2224, 70577), (2314, 67832), (3172, 49484), (3614, 43432), (4628, 33916), (5429, 28912), (6344, 24742), (7228, 21716), (8479, 18512), (9256, 16958), (10858, 14456), (12371, 12688)]