638807616

素因数分解:

$2^6\times 3^2\times {\mathrm{61}}^1\times {\mathrm{18181}}^1$

素因数の和:18260

約数の個数: 84

約数和(自身を含む): 1861145884

約数和(自身を除く): 1222338268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 96, 122, 144, 183, 192, 244, 288, 366, 488, 549, 576, 732, 976, 1098, 1464, 1952, 2196, 2928, 3904, 4392, 5856, 8784, 11712, 17568, 18181, 35136, 36362, 54543, 72724, 109086, 145448, 163629, 218172, 290896, 327258, 436344, 581792, 654516, 872688, 1109041, 1163584, 1309032, 1745376, 2218082, 2618064, 3327123, 3490752, 4436164, 5236128, 6654246, 8872328, 9981369, 10472256, 13308492, 17744656, 19962738, 26616984, 35489312, 39925476, 53233968, 70978624, 79850952, 106467936, 159701904, 212935872, 319403808, 638807616]

約数ペア:

[(1, 638807616), (2, 319403808), (3, 212935872), (4, 159701904), (6, 106467936), (8, 79850952), (9, 70978624), (12, 53233968), (16, 39925476), (18, 35489312), (24, 26616984), (32, 19962738), (36, 17744656), (48, 13308492), (61, 10472256), (64, 9981369), (72, 8872328), (96, 6654246), (122, 5236128), (144, 4436164), (183, 3490752), (192, 3327123), (244, 2618064), (288, 2218082), (366, 1745376), (488, 1309032), (549, 1163584), (576, 1109041), (732, 872688), (976, 654516), (1098, 581792), (1464, 436344), (1952, 327258), (2196, 290896), (2928, 218172), (3904, 163629), (4392, 145448), (5856, 109086), (8784, 72724), (11712, 54543), (17568, 36362), (18181, 35136)]