28565136

素因数分解:

$2^4\times 3^6\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 140

約数和(自身を含む): 86740480

約数和(自身を除く): 58175344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 79, 81, 93, 108, 124, 144, 158, 162, 186, 216, 237, 243, 248, 279, 316, 324, 372, 432, 474, 486, 496, 558, 632, 648, 711, 729, 744, 837, 948, 972, 1116, 1264, 1296, 1422, 1458, 1488, 1674, 1896, 1944, 2133, 2232, 2449, 2511, 2844, 2916, 3348, 3792, 3888, 4266, 4464, 4898, 5022, 5688, 5832, 6399, 6696, 7347, 7533, 8532, 9796, 10044, 11376, 11664, 12798, 13392, 14694, 15066, 17064, 19197, 19592, 20088, 22041, 22599, 25596, 29388, 30132, 34128, 38394, 39184, 40176, 44082, 45198, 51192, 57591, 58776, 60264, 66123, 76788, 88164, 90396, 102384, 115182, 117552, 120528, 132246, 153576, 176328, 180792, 198369, 230364, 264492, 307152, 352656, 361584, 396738, 460728, 528984, 595107, 793476, 921456, 1057968, 1190214, 1586952, 1785321, 2380428, 3173904, 3570642, 4760856, 7141284, 9521712, 14282568, 28565136]

約数ペア:

[(1, 28565136), (2, 14282568), (3, 9521712), (4, 7141284), (6, 4760856), (8, 3570642), (9, 3173904), (12, 2380428), (16, 1785321), (18, 1586952), (24, 1190214), (27, 1057968), (31, 921456), (36, 793476), (48, 595107), (54, 528984), (62, 460728), (72, 396738), (79, 361584), (81, 352656), (93, 307152), (108, 264492), (124, 230364), (144, 198369), (158, 180792), (162, 176328), (186, 153576), (216, 132246), (237, 120528), (243, 117552), (248, 115182), (279, 102384), (316, 90396), (324, 88164), (372, 76788), (432, 66123), (474, 60264), (486, 58776), (496, 57591), (558, 51192), (632, 45198), (648, 44082), (711, 40176), (729, 39184), (744, 38394), (837, 34128), (948, 30132), (972, 29388), (1116, 25596), (1264, 22599), (1296, 22041), (1422, 20088), (1458, 19592), (1488, 19197), (1674, 17064), (1896, 15066), (1944, 14694), (2133, 13392), (2232, 12798), (2449, 11664), (2511, 11376), (2844, 10044), (2916, 9796), (3348, 8532), (3792, 7533), (3888, 7347), (4266, 6696), (4464, 6399), (4898, 5832), (5022, 5688)]