168651860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1293

約数の個数: 72

約数和(自身を含む): 393185016

約数和(自身を除く): 224533156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 169, 205, 260, 338, 410, 533, 676, 820, 845, 1066, 1217, 1690, 2132, 2434, 2665, 3380, 4868, 5330, 6085, 6929, 10660, 12170, 13858, 15821, 24340, 27716, 31642, 34645, 49897, 63284, 69290, 79105, 99794, 138580, 158210, 199588, 205673, 249485, 316420, 411346, 498970, 648661, 822692, 997940, 1028365, 1297322, 2056730, 2594644, 3243305, 4113460, 6486610, 8432593, 12973220, 16865186, 33730372, 42162965, 84325930, 168651860]

約数ペア:

[(1, 168651860), (2, 84325930), (4, 42162965), (5, 33730372), (10, 16865186), (13, 12973220), (20, 8432593), (26, 6486610), (41, 4113460), (52, 3243305), (65, 2594644), (82, 2056730), (130, 1297322), (164, 1028365), (169, 997940), (205, 822692), (260, 648661), (338, 498970), (410, 411346), (533, 316420), (676, 249485), (820, 205673), (845, 199588), (1066, 158210), (1217, 138580), (1690, 99794), (2132, 79105), (2434, 69290), (2665, 63284), (3380, 49897), (4868, 34645), (5330, 31642), (6085, 27716), (6929, 24340), (10660, 15821), (12170, 13858)]