641455552

素因数分解:

$2^6\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:989

約数の個数: 56

約数和(自身を含む): 1301465520

約数和(自身を除く): 660009968

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 236, 257, 472, 514, 661, 944, 1028, 1322, 1888, 2056, 2644, 3776, 4112, 5288, 8224, 10576, 15163, 16448, 21152, 30326, 38999, 42304, 60652, 77998, 121304, 155996, 169877, 242608, 311992, 339754, 485216, 623984, 679508, 970432, 1247968, 1359016, 2495936, 2718032, 5436064, 10022743, 10872128, 20045486, 40090972, 80181944, 160363888, 320727776, 641455552]

約数ペア:

[(1, 641455552), (2, 320727776), (4, 160363888), (8, 80181944), (16, 40090972), (32, 20045486), (59, 10872128), (64, 10022743), (118, 5436064), (236, 2718032), (257, 2495936), (472, 1359016), (514, 1247968), (661, 970432), (944, 679508), (1028, 623984), (1322, 485216), (1888, 339754), (2056, 311992), (2644, 242608), (3776, 169877), (4112, 155996), (5288, 121304), (8224, 77998), (10576, 60652), (15163, 42304), (16448, 38999), (21152, 30326)]