72381488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{521}}^1$

素因数の和:1005

約数の個数: 40

約数和(自身を含む): 148227120

約数和(自身を除く): 75845632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 457, 521, 914, 1042, 1828, 2084, 3656, 4168, 7312, 8336, 8683, 9899, 17366, 19798, 34732, 39596, 69464, 79192, 138928, 158384, 238097, 476194, 952388, 1904776, 3809552, 4523843, 9047686, 18095372, 36190744, 72381488]

約数ペア:

[(1, 72381488), (2, 36190744), (4, 18095372), (8, 9047686), (16, 4523843), (19, 3809552), (38, 1904776), (76, 952388), (152, 476194), (304, 238097), (457, 158384), (521, 138928), (914, 79192), (1042, 69464), (1828, 39596), (2084, 34732), (3656, 19798), (4168, 17366), (7312, 9899), (8336, 8683)]