1644887744

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{1289}}^1$

素因数の和:1585

約数の個数: 56

約数和(自身を含む): 3313297920

約数和(自身を除く): 1668410176

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 157, 254, 314, 508, 628, 1016, 1256, 1289, 2032, 2512, 2578, 4064, 5024, 5156, 8128, 10048, 10312, 19939, 20624, 39878, 41248, 79756, 82496, 159512, 163703, 202373, 319024, 327406, 404746, 638048, 654812, 809492, 1276096, 1309624, 1618984, 2619248, 3237968, 5238496, 6475936, 10476992, 12951872, 25701371, 51402742, 102805484, 205610968, 411221936, 822443872, 1644887744]

約数ペア:

[(1, 1644887744), (2, 822443872), (4, 411221936), (8, 205610968), (16, 102805484), (32, 51402742), (64, 25701371), (127, 12951872), (157, 10476992), (254, 6475936), (314, 5238496), (508, 3237968), (628, 2619248), (1016, 1618984), (1256, 1309624), (1289, 1276096), (2032, 809492), (2512, 654812), (2578, 638048), (4064, 404746), (5024, 327406), (5156, 319024), (8128, 202373), (10048, 163703), (10312, 159512), (19939, 82496), (20624, 79756), (39878, 41248)]