1237221518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 2151938880

約数和(自身を除く): 914717362

約数列:

[1, 2, 13, 19, 26, 38, 101, 137, 181, 202, 247, 274, 362, 494, 1313, 1781, 1919, 2353, 2603, 2626, 3439, 3562, 3838, 4706, 5206, 6878, 13837, 18281, 24797, 24947, 27674, 33839, 36562, 44707, 49594, 49894, 67678, 89414, 179881, 237653, 262903, 322361, 347339, 359762, 471143, 475306, 525806, 644722, 694678, 942286, 2504497, 3417739, 4515407, 5008994, 6124859, 6835478, 9030814, 12249718, 32558461, 47585443, 65116922, 95170886, 618610759, 1237221518]

約数ペア:

[(1, 1237221518), (2, 618610759), (13, 95170886), (19, 65116922), (26, 47585443), (38, 32558461), (101, 12249718), (137, 9030814), (181, 6835478), (202, 6124859), (247, 5008994), (274, 4515407), (362, 3417739), (494, 2504497), (1313, 942286), (1781, 694678), (1919, 644722), (2353, 525806), (2603, 475306), (2626, 471143), (3439, 359762), (3562, 347339), (3838, 322361), (4706, 262903), (5206, 237653), (6878, 179881), (13837, 89414), (18281, 67678), (24797, 49894), (24947, 49594), (27674, 44707), (33839, 36562)]