208572364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{4007}}^1$

素因数の和:4055

約数の個数: 72

約数和(自身を含む): 492887808

約数和(自身を除く): 284315444

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 169, 182, 286, 308, 338, 364, 572, 676, 1001, 1183, 1859, 2002, 2366, 3718, 4004, 4007, 4732, 7436, 8014, 13013, 16028, 26026, 28049, 44077, 52052, 52091, 56098, 88154, 104182, 112196, 176308, 208364, 308539, 364637, 573001, 617078, 677183, 729274, 1146002, 1234156, 1354366, 1458548, 2292004, 2708732, 4011007, 4740281, 7449013, 8022014, 9480562, 14898026, 16044028, 18961124, 29796052, 52143091, 104286182, 208572364]

約数ペア:

[(1, 208572364), (2, 104286182), (4, 52143091), (7, 29796052), (11, 18961124), (13, 16044028), (14, 14898026), (22, 9480562), (26, 8022014), (28, 7449013), (44, 4740281), (52, 4011007), (77, 2708732), (91, 2292004), (143, 1458548), (154, 1354366), (169, 1234156), (182, 1146002), (286, 729274), (308, 677183), (338, 617078), (364, 573001), (572, 364637), (676, 308539), (1001, 208364), (1183, 176308), (1859, 112196), (2002, 104182), (2366, 88154), (3718, 56098), (4004, 52091), (4007, 52052), (4732, 44077), (7436, 28049), (8014, 26026), (13013, 16028)]