16520148

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 43819776

約数和(自身を除く): 27299628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 113, 124, 131, 186, 226, 262, 279, 339, 372, 393, 452, 524, 558, 678, 786, 1017, 1116, 1179, 1356, 1572, 2034, 2358, 3503, 4061, 4068, 4716, 7006, 8122, 10509, 12183, 14012, 14803, 16244, 21018, 24366, 29606, 31527, 36549, 42036, 44409, 48732, 59212, 63054, 73098, 88818, 126108, 133227, 146196, 177636, 266454, 458893, 532908, 917786, 1376679, 1835572, 2753358, 4130037, 5506716, 8260074, 16520148]

約数ペア:

[(1, 16520148), (2, 8260074), (3, 5506716), (4, 4130037), (6, 2753358), (9, 1835572), (12, 1376679), (18, 917786), (31, 532908), (36, 458893), (62, 266454), (93, 177636), (113, 146196), (124, 133227), (131, 126108), (186, 88818), (226, 73098), (262, 63054), (279, 59212), (339, 48732), (372, 44409), (393, 42036), (452, 36549), (524, 31527), (558, 29606), (678, 24366), (786, 21018), (1017, 16244), (1116, 14803), (1179, 14012), (1356, 12183), (1572, 10509), (2034, 8122), (2358, 7006), (3503, 4716), (4061, 4068)]