25219782

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 64650240

約数和(自身を除く): 39430458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 137, 189, 274, 378, 411, 487, 822, 959, 974, 1233, 1461, 1918, 2466, 2877, 2922, 3409, 3699, 4383, 5754, 6818, 7398, 8631, 8766, 10227, 13149, 17262, 20454, 25893, 26298, 30681, 51786, 61362, 66719, 92043, 133438, 184086, 200157, 400314, 467033, 600471, 934066, 1200942, 1401099, 1801413, 2802198, 3602826, 4203297, 8406594, 12609891, 25219782]

約数ペア:

[(1, 25219782), (2, 12609891), (3, 8406594), (6, 4203297), (7, 3602826), (9, 2802198), (14, 1801413), (18, 1401099), (21, 1200942), (27, 934066), (42, 600471), (54, 467033), (63, 400314), (126, 200157), (137, 184086), (189, 133438), (274, 92043), (378, 66719), (411, 61362), (487, 51786), (822, 30681), (959, 26298), (974, 25893), (1233, 20454), (1461, 17262), (1918, 13149), (2466, 10227), (2877, 8766), (2922, 8631), (3409, 7398), (3699, 6818), (4383, 5754)]