788320515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{523}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 1401670656

約数和(自身を除く): 613350141

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 257, 345, 391, 523, 771, 1173, 1285, 1569, 1955, 2615, 3855, 4369, 5865, 5911, 7845, 8891, 12029, 13107, 17733, 21845, 26673, 29555, 36087, 44455, 60145, 65535, 88665, 100487, 133365, 134411, 180435, 204493, 301461, 403233, 502435, 613479, 672055, 1022465, 1507305, 2016165, 2284987, 3067395, 3091453, 6854961, 9274359, 11424935, 15457265, 34274805, 46371795, 52554701, 157664103, 262773505, 788320515]

約数ペア:

[(1, 788320515), (3, 262773505), (5, 157664103), (15, 52554701), (17, 46371795), (23, 34274805), (51, 15457265), (69, 11424935), (85, 9274359), (115, 6854961), (255, 3091453), (257, 3067395), (345, 2284987), (391, 2016165), (523, 1507305), (771, 1022465), (1173, 672055), (1285, 613479), (1569, 502435), (1955, 403233), (2615, 301461), (3855, 204493), (4369, 180435), (5865, 134411), (5911, 133365), (7845, 100487), (8891, 88665), (12029, 65535), (13107, 60145), (17733, 44455), (21845, 36087), (26673, 29555)]