77894908

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1659

約数の個数: 72

約数和(自身を含む): 179869200

約数和(自身を除く): 101974292

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1609, 1729, 1862, 2548, 3218, 3458, 3724, 6436, 6916, 11263, 12103, 20917, 22526, 24206, 30571, 41834, 45052, 48412, 61142, 78841, 83668, 122284, 146419, 157682, 213997, 292838, 315364, 397423, 427994, 585676, 794846, 855988, 1024933, 1497979, 1589692, 2049866, 2781961, 2995958, 4099732, 5563922, 5991916, 11127844, 19473727, 38947454, 77894908]

約数ペア:

[(1, 77894908), (2, 38947454), (4, 19473727), (7, 11127844), (13, 5991916), (14, 5563922), (19, 4099732), (26, 2995958), (28, 2781961), (38, 2049866), (49, 1589692), (52, 1497979), (76, 1024933), (91, 855988), (98, 794846), (133, 585676), (182, 427994), (196, 397423), (247, 315364), (266, 292838), (364, 213997), (494, 157682), (532, 146419), (637, 122284), (931, 83668), (988, 78841), (1274, 61142), (1609, 48412), (1729, 45052), (1862, 41834), (2548, 30571), (3218, 24206), (3458, 22526), (3724, 20917), (6436, 12103), (6916, 11263)]