721445844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{43159}}^1$

素因数の和:43372

約数の個数: 48

約数和(自身を含む): 1933568000

約数和(自身を除く): 1212122156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 597, 796, 1194, 1393, 2388, 2786, 4179, 5572, 8358, 16716, 43159, 86318, 129477, 172636, 258954, 302113, 517908, 604226, 906339, 1208452, 1812678, 3625356, 8588641, 17177282, 25765923, 34354564, 51531846, 60120487, 103063692, 120240974, 180361461, 240481948, 360722922, 721445844]

約数ペア:

[(1, 721445844), (2, 360722922), (3, 240481948), (4, 180361461), (6, 120240974), (7, 103063692), (12, 60120487), (14, 51531846), (21, 34354564), (28, 25765923), (42, 17177282), (84, 8588641), (199, 3625356), (398, 1812678), (597, 1208452), (796, 906339), (1194, 604226), (1393, 517908), (2388, 302113), (2786, 258954), (4179, 172636), (5572, 129477), (8358, 86318), (16716, 43159)]