638941068

素因数分解:

$2^2\times 3^3\times {\mathrm{1097}}^1\times {\mathrm{5393}}^1$

素因数の和:6503

約数の個数: 48

約数和(自身を含む): 1658331360

約数和(自身を除く): 1019390292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 1097, 2194, 3291, 4388, 5393, 6582, 9873, 10786, 13164, 16179, 19746, 21572, 29619, 32358, 39492, 48537, 59238, 64716, 97074, 118476, 145611, 194148, 291222, 582444, 5916121, 11832242, 17748363, 23664484, 35496726, 53245089, 70993452, 106490178, 159735267, 212980356, 319470534, 638941068]

約数ペア:

[(1, 638941068), (2, 319470534), (3, 212980356), (4, 159735267), (6, 106490178), (9, 70993452), (12, 53245089), (18, 35496726), (27, 23664484), (36, 17748363), (54, 11832242), (108, 5916121), (1097, 582444), (2194, 291222), (3291, 194148), (4388, 145611), (5393, 118476), (6582, 97074), (9873, 64716), (10786, 59238), (13164, 48537), (16179, 39492), (19746, 32358), (21572, 29619)]