181628356

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 397704384

約数和(自身を除く): 216076028

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 131, 169, 182, 262, 293, 338, 364, 524, 586, 676, 917, 1172, 1183, 1703, 1834, 2051, 2366, 3406, 3668, 3809, 4102, 4732, 6812, 7618, 8204, 11921, 15236, 22139, 23842, 26663, 38383, 44278, 47684, 49517, 53326, 76766, 88556, 99034, 106652, 153532, 154973, 198068, 268681, 309946, 346619, 498979, 537362, 619892, 693238, 997958, 1074724, 1386476, 1995916, 3492853, 6486727, 6985706, 12973454, 13971412, 25946908, 45407089, 90814178, 181628356]

約数ペア:

[(1, 181628356), (2, 90814178), (4, 45407089), (7, 25946908), (13, 13971412), (14, 12973454), (26, 6985706), (28, 6486727), (52, 3492853), (91, 1995916), (131, 1386476), (169, 1074724), (182, 997958), (262, 693238), (293, 619892), (338, 537362), (364, 498979), (524, 346619), (586, 309946), (676, 268681), (917, 198068), (1172, 154973), (1183, 153532), (1703, 106652), (1834, 99034), (2051, 88556), (2366, 76766), (3406, 53326), (3668, 49517), (3809, 47684), (4102, 44278), (4732, 38383), (6812, 26663), (7618, 23842), (8204, 22139), (11921, 15236)]