781600976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4703}}^1$

素因数の和:4788

約数の個数: 80

約数和(自身を含む): 1763887104

約数和(自身を除く): 982286128

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 208, 221, 272, 376, 442, 611, 752, 799, 884, 1222, 1598, 1768, 2444, 3196, 3536, 4703, 4888, 6392, 9406, 9776, 10387, 12784, 18812, 20774, 37624, 41548, 61139, 75248, 79951, 83096, 122278, 159902, 166192, 221041, 244556, 319804, 442082, 489112, 639608, 884164, 978224, 1039363, 1279216, 1768328, 2078726, 2873533, 3536656, 3757697, 4157452, 5747066, 7515394, 8314904, 11494132, 15030788, 16629808, 22988264, 30061576, 45976528, 48850061, 60123152, 97700122, 195400244, 390800488, 781600976]

約数ペア:

[(1, 781600976), (2, 390800488), (4, 195400244), (8, 97700122), (13, 60123152), (16, 48850061), (17, 45976528), (26, 30061576), (34, 22988264), (47, 16629808), (52, 15030788), (68, 11494132), (94, 8314904), (104, 7515394), (136, 5747066), (188, 4157452), (208, 3757697), (221, 3536656), (272, 2873533), (376, 2078726), (442, 1768328), (611, 1279216), (752, 1039363), (799, 978224), (884, 884164), (1222, 639608), (1598, 489112), (1768, 442082), (2444, 319804), (3196, 244556), (3536, 221041), (4703, 166192), (4888, 159902), (6392, 122278), (9406, 83096), (9776, 79951), (10387, 75248), (12784, 61139), (18812, 41548), (20774, 37624)]