61248590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 126584640

約数和(自身を除く): 65336050

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 137, 181, 190, 247, 274, 362, 494, 685, 905, 1235, 1370, 1781, 1810, 2353, 2470, 2603, 3439, 3562, 4706, 5206, 6878, 8905, 11765, 13015, 17195, 17810, 23530, 24797, 26030, 33839, 34390, 44707, 49594, 67678, 89414, 123985, 169195, 223535, 247970, 322361, 338390, 447070, 471143, 644722, 942286, 1611805, 2355715, 3223610, 4711430, 6124859, 12249718, 30624295, 61248590]

約数ペア:

[(1, 61248590), (2, 30624295), (5, 12249718), (10, 6124859), (13, 4711430), (19, 3223610), (26, 2355715), (38, 1611805), (65, 942286), (95, 644722), (130, 471143), (137, 447070), (181, 338390), (190, 322361), (247, 247970), (274, 223535), (362, 169195), (494, 123985), (685, 89414), (905, 67678), (1235, 49594), (1370, 44707), (1781, 34390), (1810, 33839), (2353, 26030), (2470, 24797), (2603, 23530), (3439, 17810), (3562, 17195), (4706, 13015), (5206, 11765), (6878, 8905)]