28122084

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 74360832

約数和(自身を除く): 46238748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 113, 124, 186, 223, 226, 279, 339, 372, 446, 452, 558, 669, 678, 892, 1017, 1116, 1338, 1356, 2007, 2034, 2676, 3503, 4014, 4068, 6913, 7006, 8028, 10509, 13826, 14012, 20739, 21018, 25199, 27652, 31527, 41478, 42036, 50398, 62217, 63054, 75597, 82956, 100796, 124434, 126108, 151194, 226791, 248868, 302388, 453582, 781169, 907164, 1562338, 2343507, 3124676, 4687014, 7030521, 9374028, 14061042, 28122084]

約数ペア:

[(1, 28122084), (2, 14061042), (3, 9374028), (4, 7030521), (6, 4687014), (9, 3124676), (12, 2343507), (18, 1562338), (31, 907164), (36, 781169), (62, 453582), (93, 302388), (113, 248868), (124, 226791), (186, 151194), (223, 126108), (226, 124434), (279, 100796), (339, 82956), (372, 75597), (446, 63054), (452, 62217), (558, 50398), (669, 42036), (678, 41478), (892, 31527), (1017, 27652), (1116, 25199), (1338, 21018), (1356, 20739), (2007, 14012), (2034, 13826), (2676, 10509), (3503, 8028), (4014, 7006), (4068, 6913)]