208871964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 623750400

約数和(自身を除く): 414878436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 67, 84, 89, 126, 134, 139, 178, 201, 252, 267, 268, 278, 356, 402, 417, 469, 534, 556, 603, 623, 801, 804, 834, 938, 973, 1068, 1206, 1246, 1251, 1407, 1602, 1668, 1869, 1876, 1946, 2412, 2492, 2502, 2814, 2919, 3204, 3738, 3892, 4221, 5004, 5607, 5628, 5838, 5963, 7476, 8442, 8757, 9313, 11214, 11676, 11926, 12371, 16884, 17514, 17889, 18626, 22428, 23852, 24742, 27939, 35028, 35778, 37113, 37252, 41741, 49484, 53667, 55878, 65191, 71556, 74226, 83482, 83817, 86597, 107334, 111339, 111756, 125223, 130382, 148452, 166964, 167634, 173194, 195573, 214668, 222678, 250446, 259791, 260764, 335268, 346388, 375669, 391146, 445356, 500892, 519582, 586719, 751338, 779373, 782292, 828857, 1039164, 1173438, 1502676, 1558746, 1657714, 2346876, 2486571, 3117492, 3315428, 4973142, 5801999, 7459713, 9946284, 11603998, 14919426, 17405997, 23207996, 29838852, 34811994, 52217991, 69623988, 104435982, 208871964]

約数ペア:

[(1, 208871964), (2, 104435982), (3, 69623988), (4, 52217991), (6, 34811994), (7, 29838852), (9, 23207996), (12, 17405997), (14, 14919426), (18, 11603998), (21, 9946284), (28, 7459713), (36, 5801999), (42, 4973142), (63, 3315428), (67, 3117492), (84, 2486571), (89, 2346876), (126, 1657714), (134, 1558746), (139, 1502676), (178, 1173438), (201, 1039164), (252, 828857), (267, 782292), (268, 779373), (278, 751338), (356, 586719), (402, 519582), (417, 500892), (469, 445356), (534, 391146), (556, 375669), (603, 346388), (623, 335268), (801, 260764), (804, 259791), (834, 250446), (938, 222678), (973, 214668), (1068, 195573), (1206, 173194), (1246, 167634), (1251, 166964), (1407, 148452), (1602, 130382), (1668, 125223), (1869, 111756), (1876, 111339), (1946, 107334), (2412, 86597), (2492, 83817), (2502, 83482), (2814, 74226), (2919, 71556), (3204, 65191), (3738, 55878), (3892, 53667), (4221, 49484), (5004, 41741), (5607, 37252), (5628, 37113), (5838, 35778), (5963, 35028), (7476, 27939), (8442, 24742), (8757, 23852), (9313, 22428), (11214, 18626), (11676, 17889), (11926, 17514), (12371, 16884)]