1213445168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 2582543040

約数和(自身を除く): 1369097872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 137, 194, 208, 274, 388, 439, 548, 776, 878, 1096, 1261, 1552, 1756, 1781, 2192, 2522, 3512, 3562, 5044, 5707, 7024, 7124, 10088, 11414, 13289, 14248, 20176, 22828, 26578, 28496, 42583, 45656, 53156, 60143, 85166, 91312, 106312, 120286, 170332, 172757, 212624, 240572, 340664, 345514, 481144, 553579, 681328, 691028, 781859, 962288, 1107158, 1382056, 1563718, 2214316, 2764112, 3127436, 4428632, 5833871, 6254872, 8857264, 11667742, 12509744, 23335484, 46670968, 75840323, 93341936, 151680646, 303361292, 606722584, 1213445168]

約数ペア:

[(1, 1213445168), (2, 606722584), (4, 303361292), (8, 151680646), (13, 93341936), (16, 75840323), (26, 46670968), (52, 23335484), (97, 12509744), (104, 11667742), (137, 8857264), (194, 6254872), (208, 5833871), (274, 4428632), (388, 3127436), (439, 2764112), (548, 2214316), (776, 1563718), (878, 1382056), (1096, 1107158), (1261, 962288), (1552, 781859), (1756, 691028), (1781, 681328), (2192, 553579), (2522, 481144), (3512, 345514), (3562, 340664), (5044, 240572), (5707, 212624), (7024, 172757), (7124, 170332), (10088, 120286), (11414, 106312), (13289, 91312), (14248, 85166), (20176, 60143), (22828, 53156), (26578, 45656), (28496, 42583)]