678314624

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{31357}}^1$

素因数の和:31397

約数の個数: 48

約数和(自身を含む): 1463321070

約数和(自身を除く): 785006446

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1352, 1664, 2704, 5408, 10816, 21632, 31357, 62714, 125428, 250856, 407641, 501712, 815282, 1003424, 1630564, 2006848, 3261128, 4013696, 5299333, 6522256, 10598666, 13044512, 21197332, 26089024, 42394664, 52178048, 84789328, 169578656, 339157312, 678314624]

約数ペア:

[(1, 678314624), (2, 339157312), (4, 169578656), (8, 84789328), (13, 52178048), (16, 42394664), (26, 26089024), (32, 21197332), (52, 13044512), (64, 10598666), (104, 6522256), (128, 5299333), (169, 4013696), (208, 3261128), (338, 2006848), (416, 1630564), (676, 1003424), (832, 815282), (1352, 501712), (1664, 407641), (2704, 250856), (5408, 125428), (10816, 62714), (21632, 31357)]