28548716

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 60802560

約数和(自身を除く): 32253844

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 412, 521, 532, 721, 1042, 1442, 1957, 2084, 2884, 3647, 3914, 7294, 7828, 9899, 13699, 14588, 19798, 27398, 39596, 53663, 54796, 69293, 107326, 138586, 214652, 277172, 375641, 751282, 1019597, 1502564, 2039194, 4078388, 7137179, 14274358, 28548716]

約数ペア:

[(1, 28548716), (2, 14274358), (4, 7137179), (7, 4078388), (14, 2039194), (19, 1502564), (28, 1019597), (38, 751282), (76, 375641), (103, 277172), (133, 214652), (206, 138586), (266, 107326), (412, 69293), (521, 54796), (532, 53663), (721, 39596), (1042, 27398), (1442, 19798), (1957, 14588), (2084, 13699), (2884, 9899), (3647, 7828), (3914, 7294)]