398137572

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{526637}}^1$

素因数の和:526657

約数の個数: 48

約数和(自身を含む): 1179669120

約数和(自身を除く): 781531548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 526637, 1053274, 1579911, 2106548, 3159822, 3686459, 4739733, 6319644, 7372918, 9479466, 11059377, 14219199, 14745836, 18958932, 22118754, 28438398, 33178131, 44237508, 56876796, 66356262, 99534393, 132712524, 199068786, 398137572]

約数ペア:

[(1, 398137572), (2, 199068786), (3, 132712524), (4, 99534393), (6, 66356262), (7, 56876796), (9, 44237508), (12, 33178131), (14, 28438398), (18, 22118754), (21, 18958932), (27, 14745836), (28, 14219199), (36, 11059377), (42, 9479466), (54, 7372918), (63, 6319644), (84, 4739733), (108, 3686459), (126, 3159822), (189, 2106548), (252, 1579911), (378, 1053274), (756, 526637)]