641570407688

素因数分解:

$2^3\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1381}}^1\times {\mathrm{15923}}^1$

素因数の和:17838

約数の個数: 64

約数和(自身を含む): 1378516475520

約数和(自身を除く): 736946067832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 521, 1042, 1381, 2084, 2762, 3647, 4168, 5524, 7294, 9667, 11048, 14588, 15923, 19334, 29176, 31846, 38668, 63692, 77336, 111461, 127384, 222922, 445844, 719501, 891688, 1439002, 2878004, 5036507, 5756008, 8295883, 10073014, 16591766, 20146028, 21989663, 33183532, 40292056, 43979326, 58071181, 66367064, 87958652, 116142362, 153927641, 175917304, 232284724, 307855282, 464569448, 615710564, 1231421128, 11456614423, 22913228846, 45826457692, 80196300961, 91652915384, 160392601922, 320785203844, 641570407688]

約数ペア:

[(1, 641570407688), (2, 320785203844), (4, 160392601922), (7, 91652915384), (8, 80196300961), (14, 45826457692), (28, 22913228846), (56, 11456614423), (521, 1231421128), (1042, 615710564), (1381, 464569448), (2084, 307855282), (2762, 232284724), (3647, 175917304), (4168, 153927641), (5524, 116142362), (7294, 87958652), (9667, 66367064), (11048, 58071181), (14588, 43979326), (15923, 40292056), (19334, 33183532), (29176, 21989663), (31846, 20146028), (38668, 16591766), (63692, 10073014), (77336, 8295883), (111461, 5756008), (127384, 5036507), (222922, 2878004), (445844, 1439002), (719501, 891688)]