251798118

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 638959104

約数和(自身を除く): 387160986

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 61, 66, 78, 102, 122, 143, 183, 187, 221, 283, 286, 366, 374, 429, 442, 561, 566, 663, 671, 793, 849, 858, 1037, 1122, 1326, 1342, 1586, 1698, 2013, 2074, 2379, 2431, 3111, 3113, 3679, 4026, 4758, 4811, 4862, 6222, 6226, 7293, 7358, 8723, 9339, 9622, 11037, 11407, 13481, 14433, 14586, 17263, 17446, 18678, 22074, 22814, 26169, 26962, 28866, 34221, 34526, 40443, 40469, 51789, 52338, 52921, 62543, 68442, 80886, 80938, 103578, 105842, 121407, 125086, 148291, 158763, 187629, 189893, 224419, 242814, 293471, 296582, 317526, 375258, 379786, 444873, 448838, 569679, 586942, 673257, 687973, 880413, 889746, 1139358, 1346514, 1375946, 1760826, 2063919, 2468609, 3228181, 3815123, 4127838, 4937218, 6456362, 7405827, 7630246, 9684543, 11445369, 14811654, 19369086, 22890738, 41966353, 83932706, 125899059, 251798118]

約数ペア:

[(1, 251798118), (2, 125899059), (3, 83932706), (6, 41966353), (11, 22890738), (13, 19369086), (17, 14811654), (22, 11445369), (26, 9684543), (33, 7630246), (34, 7405827), (39, 6456362), (51, 4937218), (61, 4127838), (66, 3815123), (78, 3228181), (102, 2468609), (122, 2063919), (143, 1760826), (183, 1375946), (187, 1346514), (221, 1139358), (283, 889746), (286, 880413), (366, 687973), (374, 673257), (429, 586942), (442, 569679), (561, 448838), (566, 444873), (663, 379786), (671, 375258), (793, 317526), (849, 296582), (858, 293471), (1037, 242814), (1122, 224419), (1326, 189893), (1342, 187629), (1586, 158763), (1698, 148291), (2013, 125086), (2074, 121407), (2379, 105842), (2431, 103578), (3111, 80938), (3113, 80886), (3679, 68442), (4026, 62543), (4758, 52921), (4811, 52338), (4862, 51789), (6222, 40469), (6226, 40443), (7293, 34526), (7358, 34221), (8723, 28866), (9339, 26962), (9622, 26169), (11037, 22814), (11407, 22074), (13481, 18678), (14433, 17446), (14586, 17263)]