28209390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1265

約数の個数: 64

約数和(自身を含む): 74932992

約数和(自身を除く): 46723602

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 73, 110, 146, 165, 219, 330, 365, 438, 730, 803, 1095, 1171, 1606, 2190, 2342, 2409, 3513, 4015, 4818, 5855, 7026, 8030, 11710, 12045, 12881, 17565, 24090, 25762, 35130, 38643, 64405, 77286, 85483, 128810, 170966, 193215, 256449, 386430, 427415, 512898, 854830, 940313, 1282245, 1880626, 2564490, 2820939, 4701565, 5641878, 9403130, 14104695, 28209390]

約数ペア:

[(1, 28209390), (2, 14104695), (3, 9403130), (5, 5641878), (6, 4701565), (10, 2820939), (11, 2564490), (15, 1880626), (22, 1282245), (30, 940313), (33, 854830), (55, 512898), (66, 427415), (73, 386430), (110, 256449), (146, 193215), (165, 170966), (219, 128810), (330, 85483), (365, 77286), (438, 64405), (730, 38643), (803, 35130), (1095, 25762), (1171, 24090), (1606, 17565), (2190, 12881), (2342, 12045), (2409, 11710), (3513, 8030), (4015, 7026), (4818, 5855)]