208107816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 613785600

約数和(自身を除く): 405677784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 73, 84, 142, 146, 168, 213, 219, 239, 284, 292, 426, 438, 478, 497, 511, 568, 584, 717, 852, 876, 956, 994, 1022, 1434, 1491, 1533, 1673, 1704, 1752, 1912, 1988, 2044, 2868, 2982, 3066, 3346, 3976, 4088, 5019, 5183, 5736, 5964, 6132, 6692, 10038, 10366, 11928, 12264, 13384, 15549, 16969, 17447, 20076, 20732, 31098, 33938, 34894, 36281, 40152, 41464, 50907, 52341, 62196, 67876, 69788, 72562, 101814, 104682, 108843, 118783, 122129, 124392, 135752, 139576, 145124, 203628, 209364, 217686, 237566, 244258, 290248, 356349, 366387, 407256, 418728, 435372, 475132, 488516, 712698, 732774, 870744, 950264, 977032, 1238737, 1425396, 1465548, 2477474, 2850792, 2931096, 3716211, 4954948, 7432422, 8671159, 9909896, 14864844, 17342318, 26013477, 29729688, 34684636, 52026954, 69369272, 104053908, 208107816]

約数ペア:

[(1, 208107816), (2, 104053908), (3, 69369272), (4, 52026954), (6, 34684636), (7, 29729688), (8, 26013477), (12, 17342318), (14, 14864844), (21, 9909896), (24, 8671159), (28, 7432422), (42, 4954948), (56, 3716211), (71, 2931096), (73, 2850792), (84, 2477474), (142, 1465548), (146, 1425396), (168, 1238737), (213, 977032), (219, 950264), (239, 870744), (284, 732774), (292, 712698), (426, 488516), (438, 475132), (478, 435372), (497, 418728), (511, 407256), (568, 366387), (584, 356349), (717, 290248), (852, 244258), (876, 237566), (956, 217686), (994, 209364), (1022, 203628), (1434, 145124), (1491, 139576), (1533, 135752), (1673, 124392), (1704, 122129), (1752, 118783), (1912, 108843), (1988, 104682), (2044, 101814), (2868, 72562), (2982, 69788), (3066, 67876), (3346, 62196), (3976, 52341), (4088, 50907), (5019, 41464), (5183, 40152), (5736, 36281), (5964, 34894), (6132, 33938), (6692, 31098), (10038, 20732), (10366, 20076), (11928, 17447), (12264, 16969), (13384, 15549)]