12887836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 26248320

約数和(自身を除く): 13360484

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 61, 68, 122, 221, 239, 244, 442, 478, 793, 884, 956, 1037, 1586, 2074, 3107, 3172, 4063, 4148, 6214, 8126, 12428, 13481, 14579, 16252, 26962, 29158, 52819, 53924, 58316, 105638, 189527, 211276, 247843, 379054, 495686, 758108, 991372, 3221959, 6443918, 12887836]

約数ペア:

[(1, 12887836), (2, 6443918), (4, 3221959), (13, 991372), (17, 758108), (26, 495686), (34, 379054), (52, 247843), (61, 211276), (68, 189527), (122, 105638), (221, 58316), (239, 53924), (244, 52819), (442, 29158), (478, 26962), (793, 16252), (884, 14579), (956, 13481), (1037, 12428), (1586, 8126), (2074, 6214), (3107, 4148), (3172, 4063)]