25937444

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 54324648

約数和(自身を除く): 28387204

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 61, 68, 74, 122, 148, 169, 221, 244, 338, 442, 481, 629, 676, 793, 884, 962, 1037, 1258, 1586, 1924, 2074, 2257, 2516, 2873, 3172, 4148, 4514, 5746, 6253, 8177, 9028, 10309, 11492, 12506, 13481, 16354, 20618, 25012, 26962, 29341, 32708, 38369, 41236, 53924, 58682, 76738, 106301, 117364, 153476, 175253, 212602, 350506, 381433, 425204, 498797, 701012, 762866, 997594, 1525732, 1995188, 6484361, 12968722, 25937444]

約数ペア:

[(1, 25937444), (2, 12968722), (4, 6484361), (13, 1995188), (17, 1525732), (26, 997594), (34, 762866), (37, 701012), (52, 498797), (61, 425204), (68, 381433), (74, 350506), (122, 212602), (148, 175253), (169, 153476), (221, 117364), (244, 106301), (338, 76738), (442, 58682), (481, 53924), (629, 41236), (676, 38369), (793, 32708), (884, 29341), (962, 26962), (1037, 25012), (1258, 20618), (1586, 16354), (1924, 13481), (2074, 12506), (2257, 11492), (2516, 10309), (2873, 9028), (3172, 8177), (4148, 6253), (4514, 5746)]