161978388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 458208576

約数和(自身を除く): 296230188

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 53, 66, 78, 106, 132, 137, 143, 156, 159, 169, 212, 274, 286, 318, 338, 411, 429, 507, 548, 572, 583, 636, 676, 689, 822, 858, 1014, 1166, 1378, 1507, 1644, 1716, 1749, 1781, 1859, 2028, 2067, 2332, 2756, 3014, 3498, 3562, 3718, 4134, 4521, 5343, 5577, 6028, 6996, 7124, 7261, 7436, 7579, 8268, 8957, 9042, 10686, 11154, 14522, 15158, 17914, 18084, 19591, 21372, 21783, 22308, 22737, 23153, 26871, 29044, 30316, 35828, 39182, 43566, 45474, 46306, 53742, 58773, 69459, 78364, 79871, 87132, 90948, 92612, 94393, 98527, 107484, 117546, 138918, 159742, 188786, 197054, 235092, 239613, 254683, 277836, 283179, 295581, 319484, 377572, 394108, 479226, 509366, 566358, 591162, 764049, 958452, 1018732, 1038323, 1132716, 1182324, 1227109, 1528098, 2076646, 2454218, 3056196, 3114969, 3681327, 4153292, 4908436, 6229938, 7362654, 12459876, 13498199, 14725308, 26996398, 40494597, 53992796, 80989194, 161978388]

約数ペア:

[(1, 161978388), (2, 80989194), (3, 53992796), (4, 40494597), (6, 26996398), (11, 14725308), (12, 13498199), (13, 12459876), (22, 7362654), (26, 6229938), (33, 4908436), (39, 4153292), (44, 3681327), (52, 3114969), (53, 3056196), (66, 2454218), (78, 2076646), (106, 1528098), (132, 1227109), (137, 1182324), (143, 1132716), (156, 1038323), (159, 1018732), (169, 958452), (212, 764049), (274, 591162), (286, 566358), (318, 509366), (338, 479226), (411, 394108), (429, 377572), (507, 319484), (548, 295581), (572, 283179), (583, 277836), (636, 254683), (676, 239613), (689, 235092), (822, 197054), (858, 188786), (1014, 159742), (1166, 138918), (1378, 117546), (1507, 107484), (1644, 98527), (1716, 94393), (1749, 92612), (1781, 90948), (1859, 87132), (2028, 79871), (2067, 78364), (2332, 69459), (2756, 58773), (3014, 53742), (3498, 46306), (3562, 45474), (3718, 43566), (4134, 39182), (4521, 35828), (5343, 30316), (5577, 29044), (6028, 26871), (6996, 23153), (7124, 22737), (7261, 22308), (7436, 21783), (7579, 21372), (8268, 19591), (8957, 18084), (9042, 17914), (10686, 15158), (11154, 14522)]