261494244

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 769169856

約数和(自身を除く): 507675612

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 37, 44, 54, 66, 74, 81, 99, 108, 111, 132, 148, 162, 198, 222, 243, 297, 324, 333, 396, 407, 444, 486, 594, 661, 666, 814, 891, 972, 999, 1188, 1221, 1322, 1332, 1628, 1782, 1983, 1998, 2442, 2644, 2673, 2997, 3564, 3663, 3966, 3996, 4884, 5346, 5949, 5994, 7271, 7326, 7932, 8991, 10692, 10989, 11898, 11988, 14542, 14652, 17847, 17982, 21813, 21978, 23796, 24457, 29084, 32967, 35694, 35964, 43626, 43956, 48914, 53541, 65439, 65934, 71388, 73371, 87252, 97828, 98901, 107082, 130878, 131868, 146742, 160623, 196317, 197802, 214164, 220113, 261756, 269027, 293484, 321246, 392634, 395604, 440226, 538054, 588951, 642492, 660339, 785268, 807081, 880452, 1076108, 1177902, 1320678, 1614162, 1766853, 1981017, 2355804, 2421243, 2641356, 3228324, 3533706, 3962034, 4842486, 5943051, 7067412, 7263729, 7924068, 9684972, 11886102, 14527458, 21791187, 23772204, 29054916, 43582374, 65373561, 87164748, 130747122, 261494244]

約数ペア:

[(1, 261494244), (2, 130747122), (3, 87164748), (4, 65373561), (6, 43582374), (9, 29054916), (11, 23772204), (12, 21791187), (18, 14527458), (22, 11886102), (27, 9684972), (33, 7924068), (36, 7263729), (37, 7067412), (44, 5943051), (54, 4842486), (66, 3962034), (74, 3533706), (81, 3228324), (99, 2641356), (108, 2421243), (111, 2355804), (132, 1981017), (148, 1766853), (162, 1614162), (198, 1320678), (222, 1177902), (243, 1076108), (297, 880452), (324, 807081), (333, 785268), (396, 660339), (407, 642492), (444, 588951), (486, 538054), (594, 440226), (661, 395604), (666, 392634), (814, 321246), (891, 293484), (972, 269027), (999, 261756), (1188, 220113), (1221, 214164), (1322, 197802), (1332, 196317), (1628, 160623), (1782, 146742), (1983, 131868), (1998, 130878), (2442, 107082), (2644, 98901), (2673, 97828), (2997, 87252), (3564, 73371), (3663, 71388), (3966, 65934), (3996, 65439), (4884, 53541), (5346, 48914), (5949, 43956), (5994, 43626), (7271, 35964), (7326, 35694), (7932, 32967), (8991, 29084), (10692, 24457), (10989, 23796), (11898, 21978), (11988, 21813), (14542, 17982), (14652, 17847)]