65640636

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 171426528

約数和(自身を除く): 105785892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 71, 122, 142, 183, 213, 244, 284, 366, 421, 426, 549, 639, 732, 842, 852, 1098, 1263, 1278, 1684, 2196, 2526, 2556, 3789, 4331, 5052, 7578, 8662, 12993, 15156, 17324, 25681, 25986, 29891, 38979, 51362, 51972, 59782, 77043, 77958, 89673, 102724, 119564, 154086, 155916, 179346, 231129, 269019, 308172, 358692, 462258, 538038, 924516, 1076076, 1823351, 3646702, 5470053, 7293404, 10940106, 16410159, 21880212, 32820318, 65640636]

約数ペア:

[(1, 65640636), (2, 32820318), (3, 21880212), (4, 16410159), (6, 10940106), (9, 7293404), (12, 5470053), (18, 3646702), (36, 1823351), (61, 1076076), (71, 924516), (122, 538038), (142, 462258), (183, 358692), (213, 308172), (244, 269019), (284, 231129), (366, 179346), (421, 155916), (426, 154086), (549, 119564), (639, 102724), (732, 89673), (842, 77958), (852, 77043), (1098, 59782), (1263, 51972), (1278, 51362), (1684, 38979), (2196, 29891), (2526, 25986), (2556, 25681), (3789, 17324), (4331, 15156), (5052, 12993), (7578, 8662)]