1657911276

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{19997}}^1$

素因数の和:20068

約数の個数: 108

約数和(自身を含む): 4979022048

約数和(自身を除く): 3321110772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 49, 63, 84, 94, 98, 126, 141, 147, 188, 196, 252, 282, 294, 329, 423, 441, 564, 588, 658, 846, 882, 987, 1316, 1692, 1764, 1974, 2303, 2961, 3948, 4606, 5922, 6909, 9212, 11844, 13818, 19997, 20727, 27636, 39994, 41454, 59991, 79988, 82908, 119982, 139979, 179973, 239964, 279958, 359946, 419937, 559916, 719892, 839874, 939859, 979853, 1259811, 1679748, 1879718, 1959706, 2519622, 2819577, 2939559, 3759436, 3919412, 5039244, 5639154, 5879118, 6579013, 8458731, 8818677, 11278308, 11758236, 13158026, 16917462, 17637354, 19737039, 26316052, 33834924, 35274708, 39474078, 46053091, 59211117, 78948156, 92106182, 118422234, 138159273, 184212364, 236844468, 276318546, 414477819, 552637092, 828955638, 1657911276]

約数ペア:

[(1, 1657911276), (2, 828955638), (3, 552637092), (4, 414477819), (6, 276318546), (7, 236844468), (9, 184212364), (12, 138159273), (14, 118422234), (18, 92106182), (21, 78948156), (28, 59211117), (36, 46053091), (42, 39474078), (47, 35274708), (49, 33834924), (63, 26316052), (84, 19737039), (94, 17637354), (98, 16917462), (126, 13158026), (141, 11758236), (147, 11278308), (188, 8818677), (196, 8458731), (252, 6579013), (282, 5879118), (294, 5639154), (329, 5039244), (423, 3919412), (441, 3759436), (564, 2939559), (588, 2819577), (658, 2519622), (846, 1959706), (882, 1879718), (987, 1679748), (1316, 1259811), (1692, 979853), (1764, 939859), (1974, 839874), (2303, 719892), (2961, 559916), (3948, 419937), (4606, 359946), (5922, 279958), (6909, 239964), (9212, 179973), (11844, 139979), (13818, 119982), (19997, 82908), (20727, 79988), (27636, 59991), (39994, 41454)]