213406648

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{677}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 494343360

約数和(自身を除く): 280936712

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 433, 677, 728, 866, 1354, 1732, 2708, 3031, 3464, 4739, 5416, 5629, 6062, 8801, 9478, 11258, 12124, 17602, 18956, 22516, 24248, 35204, 37912, 39403, 45032, 61607, 70408, 78806, 123214, 157612, 246428, 293141, 315224, 492856, 586282, 1172564, 2051987, 2345128, 3810833, 4103974, 7621666, 8207948, 15243332, 16415896, 26675831, 30486664, 53351662, 106703324, 213406648]

約数ペア:

[(1, 213406648), (2, 106703324), (4, 53351662), (7, 30486664), (8, 26675831), (13, 16415896), (14, 15243332), (26, 8207948), (28, 7621666), (52, 4103974), (56, 3810833), (91, 2345128), (104, 2051987), (182, 1172564), (364, 586282), (433, 492856), (677, 315224), (728, 293141), (866, 246428), (1354, 157612), (1732, 123214), (2708, 78806), (3031, 70408), (3464, 61607), (4739, 45032), (5416, 39403), (5629, 37912), (6062, 35204), (8801, 24248), (9478, 22516), (11258, 18956), (12124, 17602)]