81973752

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 251174400

約数和(自身を除く): 169200648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 61, 76, 84, 114, 122, 133, 152, 168, 183, 228, 244, 266, 366, 399, 421, 427, 456, 488, 532, 732, 798, 842, 854, 1064, 1159, 1263, 1281, 1464, 1596, 1684, 1708, 2318, 2526, 2562, 2947, 3192, 3368, 3416, 3477, 4636, 5052, 5124, 5894, 6954, 7999, 8113, 8841, 9272, 10104, 10248, 11788, 13908, 15998, 16226, 17682, 23576, 23997, 24339, 25681, 27816, 31996, 32452, 35364, 47994, 48678, 51362, 55993, 63992, 64904, 70728, 77043, 95988, 97356, 102724, 111986, 154086, 167979, 179767, 191976, 194712, 205448, 223972, 308172, 335958, 359534, 447944, 487939, 539301, 616344, 671916, 719068, 975878, 1078602, 1343832, 1438136, 1463817, 1951756, 2157204, 2927634, 3415573, 3903512, 4314408, 5855268, 6831146, 10246719, 11710536, 13662292, 20493438, 27324584, 40986876, 81973752]

約数ペア:

[(1, 81973752), (2, 40986876), (3, 27324584), (4, 20493438), (6, 13662292), (7, 11710536), (8, 10246719), (12, 6831146), (14, 5855268), (19, 4314408), (21, 3903512), (24, 3415573), (28, 2927634), (38, 2157204), (42, 1951756), (56, 1463817), (57, 1438136), (61, 1343832), (76, 1078602), (84, 975878), (114, 719068), (122, 671916), (133, 616344), (152, 539301), (168, 487939), (183, 447944), (228, 359534), (244, 335958), (266, 308172), (366, 223972), (399, 205448), (421, 194712), (427, 191976), (456, 179767), (488, 167979), (532, 154086), (732, 111986), (798, 102724), (842, 97356), (854, 95988), (1064, 77043), (1159, 70728), (1263, 64904), (1281, 63992), (1464, 55993), (1596, 51362), (1684, 48678), (1708, 47994), (2318, 35364), (2526, 32452), (2562, 31996), (2947, 27816), (3192, 25681), (3368, 24339), (3416, 23997), (3477, 23576), (4636, 17682), (5052, 16226), (5124, 15998), (5894, 13908), (6954, 11788), (7999, 10248), (8113, 10104), (8841, 9272)]