646308832

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2256

約数の個数: 96

約数和(自身を含む): 1476679680

約数和(自身を除く): 830370848

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 32, 46, 52, 62, 92, 104, 124, 184, 208, 248, 299, 368, 403, 416, 496, 598, 713, 736, 806, 992, 1196, 1426, 1612, 2179, 2392, 2852, 3224, 4358, 4784, 5704, 6448, 8716, 9269, 9568, 11408, 12896, 17432, 18538, 22816, 28327, 34864, 37076, 50117, 56654, 67549, 69728, 74152, 100234, 113308, 135098, 148304, 200468, 226616, 270196, 296608, 400936, 453232, 540392, 651521, 801872, 878137, 906464, 1080784, 1303042, 1553627, 1603744, 1756274, 2161568, 2606084, 3107254, 3512548, 5212168, 6214508, 7025096, 10424336, 12429016, 14050192, 20197151, 20848672, 24858032, 28100384, 40394302, 49716064, 80788604, 161577208, 323154416, 646308832]

約数ペア:

[(1, 646308832), (2, 323154416), (4, 161577208), (8, 80788604), (13, 49716064), (16, 40394302), (23, 28100384), (26, 24858032), (31, 20848672), (32, 20197151), (46, 14050192), (52, 12429016), (62, 10424336), (92, 7025096), (104, 6214508), (124, 5212168), (184, 3512548), (208, 3107254), (248, 2606084), (299, 2161568), (368, 1756274), (403, 1603744), (416, 1553627), (496, 1303042), (598, 1080784), (713, 906464), (736, 878137), (806, 801872), (992, 651521), (1196, 540392), (1426, 453232), (1612, 400936), (2179, 296608), (2392, 270196), (2852, 226616), (3224, 200468), (4358, 148304), (4784, 135098), (5704, 113308), (6448, 100234), (8716, 74152), (9269, 69728), (9568, 67549), (11408, 56654), (12896, 50117), (17432, 37076), (18538, 34864), (22816, 28327)]