1621723584

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20959}}^1$

素因数の和:21018

約数の個数: 112

約数和(自身を含む): 4770160640

約数和(自身を除く): 3148437056

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 156, 186, 192, 208, 248, 312, 372, 403, 416, 496, 624, 744, 806, 832, 992, 1209, 1248, 1488, 1612, 1984, 2418, 2496, 2976, 3224, 4836, 5952, 6448, 9672, 12896, 19344, 20959, 25792, 38688, 41918, 62877, 77376, 83836, 125754, 167672, 251508, 272467, 335344, 503016, 544934, 649729, 670688, 817401, 1006032, 1089868, 1299458, 1341376, 1634802, 1949187, 2012064, 2179736, 2598916, 3269604, 3898374, 4024128, 4359472, 5197832, 6539208, 7796748, 8446477, 8718944, 10395664, 13078416, 15593496, 16892954, 17437888, 20791328, 25339431, 26156832, 31186992, 33785908, 41582656, 50678862, 52313664, 62373984, 67571816, 101357724, 124747968, 135143632, 202715448, 270287264, 405430896, 540574528, 810861792, 1621723584]

約数ペア:

[(1, 1621723584), (2, 810861792), (3, 540574528), (4, 405430896), (6, 270287264), (8, 202715448), (12, 135143632), (13, 124747968), (16, 101357724), (24, 67571816), (26, 62373984), (31, 52313664), (32, 50678862), (39, 41582656), (48, 33785908), (52, 31186992), (62, 26156832), (64, 25339431), (78, 20791328), (93, 17437888), (96, 16892954), (104, 15593496), (124, 13078416), (156, 10395664), (186, 8718944), (192, 8446477), (208, 7796748), (248, 6539208), (312, 5197832), (372, 4359472), (403, 4024128), (416, 3898374), (496, 3269604), (624, 2598916), (744, 2179736), (806, 2012064), (832, 1949187), (992, 1634802), (1209, 1341376), (1248, 1299458), (1488, 1089868), (1612, 1006032), (1984, 817401), (2418, 670688), (2496, 649729), (2976, 544934), (3224, 503016), (4836, 335344), (5952, 272467), (6448, 251508), (9672, 167672), (12896, 125754), (19344, 83836), (20959, 77376), (25792, 62877), (38688, 41918)]