12440428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 29514240

約数和(自身を除く): 17073812

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 169, 182, 239, 286, 308, 338, 364, 478, 572, 676, 956, 1001, 1183, 1673, 1859, 2002, 2366, 2629, 3107, 3346, 3718, 4004, 4732, 5258, 6214, 6692, 7436, 10516, 12428, 13013, 18403, 21749, 26026, 34177, 36806, 40391, 43498, 52052, 68354, 73612, 80782, 86996, 136708, 161564, 239239, 282737, 444301, 478478, 565474, 888602, 956956, 1130948, 1777204, 3110107, 6220214, 12440428]

約数ペア:

[(1, 12440428), (2, 6220214), (4, 3110107), (7, 1777204), (11, 1130948), (13, 956956), (14, 888602), (22, 565474), (26, 478478), (28, 444301), (44, 282737), (52, 239239), (77, 161564), (91, 136708), (143, 86996), (154, 80782), (169, 73612), (182, 68354), (239, 52052), (286, 43498), (308, 40391), (338, 36806), (364, 34177), (478, 26026), (572, 21749), (676, 18403), (956, 13013), (1001, 12428), (1183, 10516), (1673, 7436), (1859, 6692), (2002, 6214), (2366, 5258), (2629, 4732), (3107, 4004), (3346, 3718)]