2665908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 7862400

約数和(自身を除く): 5196492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 149, 213, 252, 284, 298, 426, 447, 497, 596, 639, 852, 894, 994, 1043, 1278, 1341, 1491, 1788, 1988, 2086, 2556, 2682, 2982, 3129, 4172, 4473, 5364, 5964, 6258, 8946, 9387, 10579, 12516, 17892, 18774, 21158, 31737, 37548, 42316, 63474, 74053, 95211, 126948, 148106, 190422, 222159, 296212, 380844, 444318, 666477, 888636, 1332954, 2665908]

約数ペア:

[(1, 2665908), (2, 1332954), (3, 888636), (4, 666477), (6, 444318), (7, 380844), (9, 296212), (12, 222159), (14, 190422), (18, 148106), (21, 126948), (28, 95211), (36, 74053), (42, 63474), (63, 42316), (71, 37548), (84, 31737), (126, 21158), (142, 18774), (149, 17892), (213, 12516), (252, 10579), (284, 9387), (298, 8946), (426, 6258), (447, 5964), (497, 5364), (596, 4473), (639, 4172), (852, 3129), (894, 2982), (994, 2682), (1043, 2556), (1278, 2086), (1341, 1988), (1491, 1788)]