13989404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 29583456

約数和(自身を除く): 15594052

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 661, 814, 962, 1322, 1628, 1924, 2644, 5291, 7271, 8593, 10582, 14542, 17186, 21164, 24457, 29084, 34372, 48914, 94523, 97828, 189046, 269027, 317941, 378092, 538054, 635882, 1076108, 1271764, 3497351, 6994702, 13989404]

約数ペア:

[(1, 13989404), (2, 6994702), (4, 3497351), (11, 1271764), (13, 1076108), (22, 635882), (26, 538054), (37, 378092), (44, 317941), (52, 269027), (74, 189046), (143, 97828), (148, 94523), (286, 48914), (407, 34372), (481, 29084), (572, 24457), (661, 21164), (814, 17186), (962, 14542), (1322, 10582), (1628, 8593), (1924, 7271), (2644, 5291)]