389638816

素因数分解:

$2^5\times 7^1\times {\mathrm{199}}^1\times {\mathrm{8741}}^1$

素因数の和:8957

約数の個数: 48

約数和(自身を含む): 881193600

約数和(自身を除く): 491554784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 199, 224, 398, 796, 1393, 1592, 2786, 3184, 5572, 6368, 8741, 11144, 17482, 22288, 34964, 44576, 61187, 69928, 122374, 139856, 244748, 279712, 489496, 978992, 1739459, 1957984, 3478918, 6957836, 12176213, 13915672, 24352426, 27831344, 48704852, 55662688, 97409704, 194819408, 389638816]

約数ペア:

[(1, 389638816), (2, 194819408), (4, 97409704), (7, 55662688), (8, 48704852), (14, 27831344), (16, 24352426), (28, 13915672), (32, 12176213), (56, 6957836), (112, 3478918), (199, 1957984), (224, 1739459), (398, 978992), (796, 489496), (1393, 279712), (1592, 244748), (2786, 139856), (3184, 122374), (5572, 69928), (6368, 61187), (8741, 44576), (11144, 34964), (17482, 22288)]