1387293208

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:821

約数の個数: 128

約数和(自身を含む): 3309465600

約数和(自身を除く): 1922172392

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 76, 83, 92, 133, 152, 161, 166, 184, 266, 322, 332, 437, 532, 581, 644, 664, 683, 874, 1064, 1162, 1288, 1366, 1577, 1748, 1909, 2324, 2732, 3059, 3154, 3496, 3818, 4648, 4781, 5464, 6118, 6308, 7636, 9562, 11039, 12236, 12616, 12977, 13363, 15272, 15709, 19124, 22078, 24472, 25954, 26726, 31418, 36271, 38248, 44156, 51908, 53452, 56689, 62836, 72542, 88312, 90839, 103816, 106904, 109963, 113378, 125672, 145084, 181678, 219926, 226756, 253897, 290168, 298471, 363356, 396823, 439852, 453512, 507794, 596942, 726712, 793646, 879704, 1015588, 1077091, 1193884, 1303847, 1587292, 2031176, 2089297, 2154182, 2387768, 2607694, 3174584, 4178594, 4308364, 5215388, 7539637, 8357188, 8616728, 9126929, 10430776, 15079274, 16714376, 18253858, 24773093, 30158548, 36507716, 49546186, 60317096, 73015432, 99092372, 173411651, 198184744, 346823302, 693646604, 1387293208]

約数ペア:

[(1, 1387293208), (2, 693646604), (4, 346823302), (7, 198184744), (8, 173411651), (14, 99092372), (19, 73015432), (23, 60317096), (28, 49546186), (38, 36507716), (46, 30158548), (56, 24773093), (76, 18253858), (83, 16714376), (92, 15079274), (133, 10430776), (152, 9126929), (161, 8616728), (166, 8357188), (184, 7539637), (266, 5215388), (322, 4308364), (332, 4178594), (437, 3174584), (532, 2607694), (581, 2387768), (644, 2154182), (664, 2089297), (683, 2031176), (874, 1587292), (1064, 1303847), (1162, 1193884), (1288, 1077091), (1366, 1015588), (1577, 879704), (1748, 793646), (1909, 726712), (2324, 596942), (2732, 507794), (3059, 453512), (3154, 439852), (3496, 396823), (3818, 363356), (4648, 298471), (4781, 290168), (5464, 253897), (6118, 226756), (6308, 219926), (7636, 181678), (9562, 145084), (11039, 125672), (12236, 113378), (12616, 109963), (12977, 106904), (13363, 103816), (15272, 90839), (15709, 88312), (19124, 72542), (22078, 62836), (24472, 56689), (25954, 53452), (26726, 51908), (31418, 44156), (36271, 38248)]