418870816

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20549}}^1$

素因数の和:20586

約数の個数: 72

約数和(自身を含む): 1033130700

約数和(自身を除く): 614259884

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 10192, 20384, 20549, 41098, 82196, 143843, 164392, 267137, 287686, 328784, 534274, 575372, 657568, 1006901, 1068548, 1150744, 1869959, 2013802, 2137096, 2301488, 3739918, 4027604, 4274192, 4602976, 7479836, 8055208, 8548384, 13089713, 14959672, 16110416, 26179426, 29919344, 32220832, 52358852, 59838688, 104717704, 209435408, 418870816]

約数ペア:

[(1, 418870816), (2, 209435408), (4, 104717704), (7, 59838688), (8, 52358852), (13, 32220832), (14, 29919344), (16, 26179426), (26, 16110416), (28, 14959672), (32, 13089713), (49, 8548384), (52, 8055208), (56, 7479836), (91, 4602976), (98, 4274192), (104, 4027604), (112, 3739918), (182, 2301488), (196, 2137096), (208, 2013802), (224, 1869959), (364, 1150744), (392, 1068548), (416, 1006901), (637, 657568), (728, 575372), (784, 534274), (1274, 328784), (1456, 287686), (1568, 267137), (2548, 164392), (2912, 143843), (5096, 82196), (10192, 41098), (20384, 20549)]