78869518

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2057

約数の個数: 48

約数和(自身を含む): 153062784

約数和(自身を除く): 74193266

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 637, 806, 1274, 1519, 1997, 2821, 3038, 3994, 5642, 13979, 19747, 25961, 27958, 39494, 51922, 61907, 97853, 123814, 181727, 195706, 363454, 433349, 804791, 866698, 1272089, 1609582, 2544178, 3033443, 5633537, 6066886, 11267074, 39434759, 78869518]

約数ペア:

[(1, 78869518), (2, 39434759), (7, 11267074), (13, 6066886), (14, 5633537), (26, 3033443), (31, 2544178), (49, 1609582), (62, 1272089), (91, 866698), (98, 804791), (182, 433349), (217, 363454), (403, 195706), (434, 181727), (637, 123814), (806, 97853), (1274, 61907), (1519, 51922), (1997, 39494), (2821, 27958), (3038, 25961), (3994, 19747), (5642, 13979)]