217156736

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{54727}}^1$

素因数の和:54772

約数の個数: 32

約数和(自身を含む): 446580480

約数和(自身を除く): 229423744

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 54727, 109454, 218908, 437816, 875632, 1696537, 1751264, 3393074, 3502528, 6786148, 7005056, 13572296, 27144592, 54289184, 108578368, 217156736]

約数ペア:

[(1, 217156736), (2, 108578368), (4, 54289184), (8, 27144592), (16, 13572296), (31, 7005056), (32, 6786148), (62, 3502528), (64, 3393074), (124, 1751264), (128, 1696537), (248, 875632), (496, 437816), (992, 218908), (1984, 109454), (3968, 54727)]