31666128

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1692

約数の個数: 80

約数和(自身を含む): 90994176

約数和(自身を除く): 59328048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 1637, 2418, 3224, 3274, 4836, 4911, 6448, 6548, 9672, 9822, 13096, 19344, 19644, 21281, 26192, 39288, 42562, 50747, 63843, 78576, 85124, 101494, 127686, 152241, 170248, 202988, 255372, 304482, 340496, 405976, 510744, 608964, 659711, 811952, 1021488, 1217928, 1319422, 1979133, 2435856, 2638844, 3958266, 5277688, 7916532, 10555376, 15833064, 31666128]

約数ペア:

[(1, 31666128), (2, 15833064), (3, 10555376), (4, 7916532), (6, 5277688), (8, 3958266), (12, 2638844), (13, 2435856), (16, 1979133), (24, 1319422), (26, 1217928), (31, 1021488), (39, 811952), (48, 659711), (52, 608964), (62, 510744), (78, 405976), (93, 340496), (104, 304482), (124, 255372), (156, 202988), (186, 170248), (208, 152241), (248, 127686), (312, 101494), (372, 85124), (403, 78576), (496, 63843), (624, 50747), (744, 42562), (806, 39288), (1209, 26192), (1488, 21281), (1612, 19644), (1637, 19344), (2418, 13096), (3224, 9822), (3274, 9672), (4836, 6548), (4911, 6448)]