66963988

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 150620904

約数和(自身を除く): 83656916

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 49, 52, 82, 91, 98, 164, 182, 196, 287, 364, 533, 574, 637, 641, 1066, 1148, 1274, 1282, 2009, 2132, 2548, 2564, 3731, 4018, 4487, 7462, 8036, 8333, 8974, 14924, 16666, 17948, 26117, 26281, 31409, 33332, 52234, 52562, 58331, 62818, 104468, 105124, 116662, 125636, 183967, 233324, 341653, 367934, 408317, 683306, 735868, 816634, 1287769, 1366612, 1633268, 2391571, 2575538, 4783142, 5151076, 9566284, 16740997, 33481994, 66963988]

約数ペア:

[(1, 66963988), (2, 33481994), (4, 16740997), (7, 9566284), (13, 5151076), (14, 4783142), (26, 2575538), (28, 2391571), (41, 1633268), (49, 1366612), (52, 1287769), (82, 816634), (91, 735868), (98, 683306), (164, 408317), (182, 367934), (196, 341653), (287, 233324), (364, 183967), (533, 125636), (574, 116662), (637, 105124), (641, 104468), (1066, 62818), (1148, 58331), (1274, 52562), (1282, 52234), (2009, 33332), (2132, 31409), (2548, 26281), (2564, 26117), (3731, 17948), (4018, 16666), (4487, 14924), (7462, 8974), (8036, 8333)]