263867604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 144

約数和(自身を含む): 833341824

約数和(自身を除く): 569474220

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 121, 132, 143, 154, 156, 182, 231, 242, 273, 286, 308, 363, 364, 429, 462, 484, 546, 572, 726, 847, 858, 924, 1001, 1092, 1452, 1573, 1694, 1716, 1997, 2002, 2541, 3003, 3146, 3388, 3994, 4004, 4719, 5082, 5991, 6006, 6292, 7988, 9438, 10164, 11011, 11982, 12012, 13979, 18876, 21967, 22022, 23964, 25961, 27958, 33033, 41937, 43934, 44044, 51922, 55916, 65901, 66066, 77883, 83874, 87868, 103844, 131802, 132132, 153769, 155766, 167748, 181727, 241637, 263604, 285571, 307538, 311532, 363454, 461307, 483274, 545181, 571142, 615076, 724911, 726908, 856713, 922614, 966548, 1090362, 1142284, 1449822, 1691459, 1713426, 1845228, 1998997, 2180724, 2899644, 3141281, 3382918, 3426852, 3997994, 5074377, 5996991, 6282562, 6765836, 7995988, 9423843, 10148754, 11993982, 12565124, 18847686, 20297508, 21988967, 23987964, 37695372, 43977934, 65966901, 87955868, 131933802, 263867604]

約数ペア:

[(1, 263867604), (2, 131933802), (3, 87955868), (4, 65966901), (6, 43977934), (7, 37695372), (11, 23987964), (12, 21988967), (13, 20297508), (14, 18847686), (21, 12565124), (22, 11993982), (26, 10148754), (28, 9423843), (33, 7995988), (39, 6765836), (42, 6282562), (44, 5996991), (52, 5074377), (66, 3997994), (77, 3426852), (78, 3382918), (84, 3141281), (91, 2899644), (121, 2180724), (132, 1998997), (143, 1845228), (154, 1713426), (156, 1691459), (182, 1449822), (231, 1142284), (242, 1090362), (273, 966548), (286, 922614), (308, 856713), (363, 726908), (364, 724911), (429, 615076), (462, 571142), (484, 545181), (546, 483274), (572, 461307), (726, 363454), (847, 311532), (858, 307538), (924, 285571), (1001, 263604), (1092, 241637), (1452, 181727), (1573, 167748), (1694, 155766), (1716, 153769), (1997, 132132), (2002, 131802), (2541, 103844), (3003, 87868), (3146, 83874), (3388, 77883), (3994, 66066), (4004, 65901), (4719, 55916), (5082, 51922), (5991, 44044), (6006, 43934), (6292, 41937), (7988, 33033), (9438, 27958), (10164, 25961), (11011, 23964), (11982, 22022), (12012, 21967), (13979, 18876)]