400654016

素因数分解:

$2^6\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1321}}^1$

素因数の和:2017

約数の個数: 56

約数和(自身を含む): 910657056

約数和(自身を除く): 510003040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 677, 1321, 1354, 2642, 2708, 4739, 5284, 5416, 9247, 9478, 10568, 10832, 18494, 18956, 21136, 21664, 36988, 37912, 42272, 43328, 73976, 75824, 84544, 147952, 151648, 295904, 303296, 591808, 894317, 1788634, 3577268, 6260219, 7154536, 12520438, 14309072, 25040876, 28618144, 50081752, 57236288, 100163504, 200327008, 400654016]

約数ペア:

[(1, 400654016), (2, 200327008), (4, 100163504), (7, 57236288), (8, 50081752), (14, 28618144), (16, 25040876), (28, 14309072), (32, 12520438), (56, 7154536), (64, 6260219), (112, 3577268), (224, 1788634), (448, 894317), (677, 591808), (1321, 303296), (1354, 295904), (2642, 151648), (2708, 147952), (4739, 84544), (5284, 75824), (5416, 73976), (9247, 43328), (9478, 42272), (10568, 37912), (10832, 36988), (18494, 21664), (18956, 21136)]