777748972

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27749}}^1$

素因数の和:27791

約数の個数: 72

約数和(自身を含む): 1860138000

約数和(自身を除く): 1082389028

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 14014, 27749, 28028, 55498, 110996, 194243, 305239, 360737, 388486, 610478, 721474, 776972, 1220956, 1359701, 1442948, 2136673, 2525159, 2719402, 3968107, 4273346, 5050318, 5438804, 7936214, 8546692, 10100636, 14956711, 15872428, 17676113, 27776749, 29913422, 35352226, 55553498, 59826844, 70704452, 111106996, 194437243, 388874486, 777748972]

約数ペア:

[(1, 777748972), (2, 388874486), (4, 194437243), (7, 111106996), (11, 70704452), (13, 59826844), (14, 55553498), (22, 35352226), (26, 29913422), (28, 27776749), (44, 17676113), (49, 15872428), (52, 14956711), (77, 10100636), (91, 8546692), (98, 7936214), (143, 5438804), (154, 5050318), (182, 4273346), (196, 3968107), (286, 2719402), (308, 2525159), (364, 2136673), (539, 1442948), (572, 1359701), (637, 1220956), (1001, 776972), (1078, 721474), (1274, 610478), (2002, 388486), (2156, 360737), (2548, 305239), (4004, 194243), (7007, 110996), (14014, 55498), (27749, 28028)]