639525456

素因数分解:

$2^4\times 3^6\times {\mathrm{54829}}^1$

素因数の和:54855

約数の個数: 70

約数和(自身を含む): 1857804890

約数和(自身を除く): 1218279434

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 729, 972, 1296, 1458, 1944, 2916, 3888, 5832, 11664, 54829, 109658, 164487, 219316, 328974, 438632, 493461, 657948, 877264, 986922, 1315896, 1480383, 1973844, 2631792, 2960766, 3947688, 4441149, 5921532, 7895376, 8882298, 11843064, 13323447, 17764596, 23686128, 26646894, 35529192, 39970341, 53293788, 71058384, 79940682, 106587576, 159881364, 213175152, 319762728, 639525456]

約数ペア:

[(1, 639525456), (2, 319762728), (3, 213175152), (4, 159881364), (6, 106587576), (8, 79940682), (9, 71058384), (12, 53293788), (16, 39970341), (18, 35529192), (24, 26646894), (27, 23686128), (36, 17764596), (48, 13323447), (54, 11843064), (72, 8882298), (81, 7895376), (108, 5921532), (144, 4441149), (162, 3947688), (216, 2960766), (243, 2631792), (324, 1973844), (432, 1480383), (486, 1315896), (648, 986922), (729, 877264), (972, 657948), (1296, 493461), (1458, 438632), (1944, 328974), (2916, 219316), (3888, 164487), (5832, 109658), (11664, 54829)]