15864342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 20907498

約数列:

[1, 2, 3, 6, 13, 23, 26, 37, 39, 46, 69, 74, 78, 111, 138, 222, 239, 299, 478, 481, 598, 717, 851, 897, 962, 1434, 1443, 1702, 1794, 2553, 2886, 3107, 5106, 5497, 6214, 8843, 9321, 10994, 11063, 16491, 17686, 18642, 22126, 26529, 32982, 33189, 53058, 66378, 71461, 114959, 142922, 203389, 214383, 229918, 344877, 406778, 428766, 610167, 689754, 1220334, 2644057, 5288114, 7932171, 15864342]

約数ペア:

[(1, 15864342), (2, 7932171), (3, 5288114), (6, 2644057), (13, 1220334), (23, 689754), (26, 610167), (37, 428766), (39, 406778), (46, 344877), (69, 229918), (74, 214383), (78, 203389), (111, 142922), (138, 114959), (222, 71461), (239, 66378), (299, 53058), (478, 33189), (481, 32982), (598, 26529), (717, 22126), (851, 18642), (897, 17686), (962, 16491), (1434, 11063), (1443, 10994), (1702, 9321), (1794, 8843), (2553, 6214), (2886, 5497), (3107, 5106)]