6447702989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 8439459840

約数和(自身を除く): 1991756851

約数列:

[1, 7, 13, 31, 61, 89, 91, 217, 403, 421, 427, 623, 793, 1157, 1891, 2759, 2821, 2947, 5429, 5473, 5551, 8099, 13051, 13237, 19313, 24583, 25681, 35867, 37469, 38003, 38311, 70577, 91357, 168299, 169663, 172081, 179767, 251069, 262283, 333853, 487097, 494039, 796111, 1161539, 1178093, 1187641, 2187887, 2285609, 2336971, 3409679, 5572777, 8130773, 10349443, 15100007, 15315209, 15999263, 29712917, 70853879, 72446101, 105700049, 207990419, 495977153, 921100427, 6447702989]

約数ペア:

[(1, 6447702989), (7, 921100427), (13, 495977153), (31, 207990419), (61, 105700049), (89, 72446101), (91, 70853879), (217, 29712917), (403, 15999263), (421, 15315209), (427, 15100007), (623, 10349443), (793, 8130773), (1157, 5572777), (1891, 3409679), (2759, 2336971), (2821, 2285609), (2947, 2187887), (5429, 1187641), (5473, 1178093), (5551, 1161539), (8099, 796111), (13051, 494039), (13237, 487097), (19313, 333853), (24583, 262283), (25681, 251069), (35867, 179767), (37469, 172081), (38003, 169663), (38311, 168299), (70577, 91357)]