28101072

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 75620160

約数和(自身を除く): 47519088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 109, 123, 131, 164, 218, 246, 262, 327, 328, 393, 436, 492, 524, 654, 656, 786, 872, 984, 1048, 1308, 1572, 1744, 1968, 2096, 2616, 3144, 4469, 5232, 5371, 6288, 8938, 10742, 13407, 14279, 16113, 17876, 21484, 26814, 28558, 32226, 35752, 42837, 42968, 53628, 57116, 64452, 71504, 85674, 85936, 107256, 114232, 128904, 171348, 214512, 228464, 257808, 342696, 585439, 685392, 1170878, 1756317, 2341756, 3512634, 4683512, 7025268, 9367024, 14050536, 28101072]

約数ペア:

[(1, 28101072), (2, 14050536), (3, 9367024), (4, 7025268), (6, 4683512), (8, 3512634), (12, 2341756), (16, 1756317), (24, 1170878), (41, 685392), (48, 585439), (82, 342696), (109, 257808), (123, 228464), (131, 214512), (164, 171348), (218, 128904), (246, 114232), (262, 107256), (327, 85936), (328, 85674), (393, 71504), (436, 64452), (492, 57116), (524, 53628), (654, 42968), (656, 42837), (786, 35752), (872, 32226), (984, 28558), (1048, 26814), (1308, 21484), (1572, 17876), (1744, 16113), (1968, 14279), (2096, 13407), (2616, 10742), (3144, 8938), (4469, 6288), (5232, 5371)]