261796288

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16561}}^1$

素因数の和:16605

約数の個数: 56

約数和(自身を含む): 588944720

約数和(自身を除く): 327148432

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 16561, 33122, 66244, 132488, 215293, 264976, 314659, 430586, 529952, 629318, 861172, 1059904, 1258636, 1722344, 2517272, 3444688, 4090567, 5034544, 6889376, 8181134, 10069088, 13778752, 16362268, 20138176, 32724536, 65449072, 130898144, 261796288]

約数ペア:

[(1, 261796288), (2, 130898144), (4, 65449072), (8, 32724536), (13, 20138176), (16, 16362268), (19, 13778752), (26, 10069088), (32, 8181134), (38, 6889376), (52, 5034544), (64, 4090567), (76, 3444688), (104, 2517272), (152, 1722344), (208, 1258636), (247, 1059904), (304, 861172), (416, 629318), (494, 529952), (608, 430586), (832, 314659), (988, 264976), (1216, 215293), (1976, 132488), (3952, 66244), (7904, 33122), (15808, 16561)]