398901471722

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{701}}^1$

素因数の和:1120

約数の個数: 96

約数和(自身を含む): 666707708160

約数和(自身を除く): 267806236438

約数列:

[1, 2, 13, 26, 79, 101, 158, 169, 202, 211, 338, 422, 701, 1027, 1313, 1402, 2054, 2626, 2743, 5486, 7979, 9113, 13351, 15958, 16669, 17069, 18226, 21311, 26702, 33338, 34138, 35659, 42622, 55379, 70801, 71318, 103727, 110758, 118469, 141602, 147911, 207454, 216697, 236938, 277043, 295822, 433394, 554086, 719927, 920413, 1348451, 1439854, 1683569, 1840826, 1922843, 2696902, 2817061, 3367138, 3601559, 3845686, 5593279, 5634122, 7203118, 9359051, 11186558, 11684969, 11965369, 14939011, 18718102, 21886397, 23369938, 23930738, 24996959, 29878022, 43772794, 49993918, 72712627, 145425254, 151904597, 194207143, 284523161, 303809194, 388414286, 569046322, 945264151, 1180181869, 1890528302, 1974759761, 2360363738, 2524692859, 3949519522, 5049385718, 15342364297, 30684728594, 199450735861, 398901471722]

約数ペア:

[(1, 398901471722), (2, 199450735861), (13, 30684728594), (26, 15342364297), (79, 5049385718), (101, 3949519522), (158, 2524692859), (169, 2360363738), (202, 1974759761), (211, 1890528302), (338, 1180181869), (422, 945264151), (701, 569046322), (1027, 388414286), (1313, 303809194), (1402, 284523161), (2054, 194207143), (2626, 151904597), (2743, 145425254), (5486, 72712627), (7979, 49993918), (9113, 43772794), (13351, 29878022), (15958, 24996959), (16669, 23930738), (17069, 23369938), (18226, 21886397), (21311, 18718102), (26702, 14939011), (33338, 11965369), (34138, 11684969), (35659, 11186558), (42622, 9359051), (55379, 7203118), (70801, 5634122), (71318, 5593279), (103727, 3845686), (110758, 3601559), (118469, 3367138), (141602, 2817061), (147911, 2696902), (207454, 1922843), (216697, 1840826), (236938, 1683569), (277043, 1439854), (295822, 1348451), (433394, 920413), (554086, 719927)]