217953736

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1601}}^1$

素因数の和:1655

約数の個数: 128

約数和(自身を含む): 581333760

約数和(自身を除く): 363380024

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 56, 68, 77, 88, 91, 104, 119, 136, 143, 154, 182, 187, 221, 238, 286, 308, 364, 374, 442, 476, 572, 616, 728, 748, 884, 952, 1001, 1144, 1309, 1496, 1547, 1601, 1768, 2002, 2431, 2618, 3094, 3202, 4004, 4862, 5236, 6188, 6404, 8008, 9724, 10472, 11207, 12376, 12808, 17017, 17611, 19448, 20813, 22414, 27217, 34034, 35222, 41626, 44828, 54434, 68068, 70444, 83252, 89656, 108868, 123277, 136136, 140888, 145691, 166504, 190519, 217736, 228943, 246554, 291382, 299387, 353821, 381038, 457886, 493108, 582764, 598774, 707642, 762076, 915772, 986216, 1165528, 1197548, 1415284, 1524152, 1602601, 1831544, 2095709, 2395096, 2476747, 2830568, 3205202, 3892031, 4191418, 4953494, 6410404, 7784062, 8382836, 9906988, 12820808, 15568124, 16765672, 19813976, 27244217, 31136248, 54488434, 108976868, 217953736]

約数ペア:

[(1, 217953736), (2, 108976868), (4, 54488434), (7, 31136248), (8, 27244217), (11, 19813976), (13, 16765672), (14, 15568124), (17, 12820808), (22, 9906988), (26, 8382836), (28, 7784062), (34, 6410404), (44, 4953494), (52, 4191418), (56, 3892031), (68, 3205202), (77, 2830568), (88, 2476747), (91, 2395096), (104, 2095709), (119, 1831544), (136, 1602601), (143, 1524152), (154, 1415284), (182, 1197548), (187, 1165528), (221, 986216), (238, 915772), (286, 762076), (308, 707642), (364, 598774), (374, 582764), (442, 493108), (476, 457886), (572, 381038), (616, 353821), (728, 299387), (748, 291382), (884, 246554), (952, 228943), (1001, 217736), (1144, 190519), (1309, 166504), (1496, 145691), (1547, 140888), (1601, 136136), (1768, 123277), (2002, 108868), (2431, 89656), (2618, 83252), (3094, 70444), (3202, 68068), (4004, 54434), (4862, 44828), (5236, 41626), (6188, 35222), (6404, 34034), (8008, 27217), (9724, 22414), (10472, 20813), (11207, 19448), (12376, 17611), (12808, 17017)]