78722392

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 175933440

約数和(自身を除く): 97211048

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 137, 217, 248, 274, 331, 434, 548, 662, 868, 959, 1096, 1324, 1736, 1918, 2317, 2648, 3836, 4247, 4634, 7672, 8494, 9268, 10261, 16988, 18536, 20522, 29729, 33976, 41044, 45347, 59458, 71827, 82088, 90694, 118916, 143654, 181388, 237832, 287308, 317429, 362776, 574616, 634858, 1269716, 1405757, 2539432, 2811514, 5623028, 9840299, 11246056, 19680598, 39361196, 78722392]

約数ペア:

[(1, 78722392), (2, 39361196), (4, 19680598), (7, 11246056), (8, 9840299), (14, 5623028), (28, 2811514), (31, 2539432), (56, 1405757), (62, 1269716), (124, 634858), (137, 574616), (217, 362776), (248, 317429), (274, 287308), (331, 237832), (434, 181388), (548, 143654), (662, 118916), (868, 90694), (959, 82088), (1096, 71827), (1324, 59458), (1736, 45347), (1918, 41044), (2317, 33976), (2648, 29729), (3836, 20522), (4247, 18536), (4634, 16988), (7672, 10261), (8494, 9268)]