25808536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 56498400

約数和(自身を除く): 30689864

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 247, 296, 353, 481, 494, 703, 706, 962, 988, 1406, 1412, 1924, 1976, 2812, 2824, 3848, 4589, 5624, 6707, 9139, 9178, 13061, 13414, 18278, 18356, 26122, 26828, 36556, 36712, 52244, 53656, 73112, 87191, 104488, 169793, 174382, 248159, 339586, 348764, 496318, 679172, 697528, 992636, 1358344, 1985272, 3226067, 6452134, 12904268, 25808536]

約数ペア:

[(1, 25808536), (2, 12904268), (4, 6452134), (8, 3226067), (13, 1985272), (19, 1358344), (26, 992636), (37, 697528), (38, 679172), (52, 496318), (74, 348764), (76, 339586), (104, 248159), (148, 174382), (152, 169793), (247, 104488), (296, 87191), (353, 73112), (481, 53656), (494, 52244), (703, 36712), (706, 36556), (962, 26828), (988, 26122), (1406, 18356), (1412, 18278), (1924, 13414), (1976, 13061), (2812, 9178), (2824, 9139), (3848, 6707), (4589, 5624)]