491275728

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{38333}}^1$

素因数の和:38436

約数の個数: 60

約数和(自身を含む): 1390374180

約数和(自身を除く): 899098452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 3204, 4272, 6408, 12816, 38333, 76666, 114999, 153332, 229998, 306664, 344997, 459996, 613328, 689994, 919992, 1379988, 1839984, 2759976, 3411637, 5519952, 6823274, 10234911, 13646548, 20469822, 27293096, 30704733, 40939644, 54586192, 61409466, 81879288, 122818932, 163758576, 245637864, 491275728]

約数ペア:

[(1, 491275728), (2, 245637864), (3, 163758576), (4, 122818932), (6, 81879288), (8, 61409466), (9, 54586192), (12, 40939644), (16, 30704733), (18, 27293096), (24, 20469822), (36, 13646548), (48, 10234911), (72, 6823274), (89, 5519952), (144, 3411637), (178, 2759976), (267, 1839984), (356, 1379988), (534, 919992), (712, 689994), (801, 613328), (1068, 459996), (1424, 344997), (1602, 306664), (2136, 229998), (3204, 153332), (4272, 114999), (6408, 76666), (12816, 38333)]