78404886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^2$

素因数の和:278

約数の個数: 72

約数和(自身を含む): 199301232

約数和(自身を除く): 120896346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 101, 122, 126, 183, 202, 303, 366, 427, 549, 606, 707, 854, 909, 1098, 1281, 1414, 1818, 2121, 2562, 3843, 4242, 6161, 6363, 7686, 10201, 12322, 12726, 18483, 20402, 30603, 36966, 43127, 55449, 61206, 71407, 86254, 91809, 110898, 129381, 142814, 183618, 214221, 258762, 388143, 428442, 622261, 642663, 776286, 1244522, 1285326, 1866783, 3733566, 4355827, 5600349, 8711654, 11200698, 13067481, 26134962, 39202443, 78404886]

約数ペア:

[(1, 78404886), (2, 39202443), (3, 26134962), (6, 13067481), (7, 11200698), (9, 8711654), (14, 5600349), (18, 4355827), (21, 3733566), (42, 1866783), (61, 1285326), (63, 1244522), (101, 776286), (122, 642663), (126, 622261), (183, 428442), (202, 388143), (303, 258762), (366, 214221), (427, 183618), (549, 142814), (606, 129381), (707, 110898), (854, 91809), (909, 86254), (1098, 71407), (1281, 61206), (1414, 55449), (1818, 43127), (2121, 36966), (2562, 30603), (3843, 20402), (4242, 18483), (6161, 12726), (6363, 12322), (7686, 10201)]