157400178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:468

約数の個数: 96

約数和(自身を含む): 377571456

約数和(自身を除く): 220171278

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 169, 221, 299, 338, 391, 397, 442, 507, 598, 663, 782, 794, 897, 1014, 1173, 1191, 1326, 1794, 2346, 2382, 2873, 3887, 5083, 5161, 5746, 6749, 7774, 8619, 9131, 10166, 10322, 11661, 13498, 15249, 15483, 17238, 18262, 20247, 23322, 27393, 30498, 30966, 40494, 54786, 66079, 67093, 87737, 118703, 132158, 134186, 155227, 175474, 198237, 201279, 237406, 263211, 310454, 356109, 396474, 402558, 465681, 526422, 712218, 931362, 1140581, 1543139, 2017951, 2281162, 3086278, 3421743, 4035902, 4629417, 6053853, 6843486, 9258834, 12107706, 26233363, 52466726, 78700089, 157400178]

約数ペア:

[(1, 157400178), (2, 78700089), (3, 52466726), (6, 26233363), (13, 12107706), (17, 9258834), (23, 6843486), (26, 6053853), (34, 4629417), (39, 4035902), (46, 3421743), (51, 3086278), (69, 2281162), (78, 2017951), (102, 1543139), (138, 1140581), (169, 931362), (221, 712218), (299, 526422), (338, 465681), (391, 402558), (397, 396474), (442, 356109), (507, 310454), (598, 263211), (663, 237406), (782, 201279), (794, 198237), (897, 175474), (1014, 155227), (1173, 134186), (1191, 132158), (1326, 118703), (1794, 87737), (2346, 67093), (2382, 66079), (2873, 54786), (3887, 40494), (5083, 30966), (5161, 30498), (5746, 27393), (6749, 23322), (7774, 20247), (8619, 18262), (9131, 17238), (10166, 15483), (10322, 15249), (11661, 13498)]