86874788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1669}}^1$

素因数の和:1717

約数の個数: 72

約数和(自身を含む): 205369920

約数和(自身を除く): 118495132

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, 1669, 1859, 2002, 2366, 3338, 3718, 4004, 4732, 6676, 7436, 11683, 13013, 18359, 21697, 23366, 26026, 36718, 43394, 46732, 52052, 73436, 86788, 128513, 151879, 238667, 257026, 282061, 303758, 477334, 514052, 564122, 607516, 954668, 1128244, 1670669, 1974427, 3102671, 3341338, 3948854, 6205342, 6682676, 7897708, 12410684, 21718697, 43437394, 86874788]

約数ペア:

[(1, 86874788), (2, 43437394), (4, 21718697), (7, 12410684), (11, 7897708), (13, 6682676), (14, 6205342), (22, 3948854), (26, 3341338), (28, 3102671), (44, 1974427), (52, 1670669), (77, 1128244), (91, 954668), (143, 607516), (154, 564122), (169, 514052), (182, 477334), (286, 303758), (308, 282061), (338, 257026), (364, 238667), (572, 151879), (676, 128513), (1001, 86788), (1183, 73436), (1669, 52052), (1859, 46732), (2002, 43394), (2366, 36718), (3338, 26026), (3718, 23366), (4004, 21697), (4732, 18359), (6676, 13013), (7436, 11683)]