1938963568

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 3994315776

約数和(自身を除く): 2055352208

約数列:

[1, 2, 4, 8, 16, 43, 47, 61, 86, 94, 122, 172, 188, 244, 344, 376, 488, 688, 752, 976, 983, 1966, 2021, 2623, 2867, 3932, 4042, 5246, 5734, 7864, 8084, 10492, 11468, 15728, 16168, 20984, 22936, 32336, 41968, 42269, 45872, 46201, 59963, 84538, 92402, 119926, 123281, 169076, 184804, 239852, 246562, 338152, 369608, 479704, 493124, 676304, 739216, 959408, 986248, 1972496, 1986643, 2578409, 2818261, 3973286, 5156818, 5636522, 7946572, 10313636, 11273044, 15893144, 20627272, 22546088, 31786288, 41254544, 45092176, 121185223, 242370446, 484740892, 969481784, 1938963568]

約数ペア:

[(1, 1938963568), (2, 969481784), (4, 484740892), (8, 242370446), (16, 121185223), (43, 45092176), (47, 41254544), (61, 31786288), (86, 22546088), (94, 20627272), (122, 15893144), (172, 11273044), (188, 10313636), (244, 7946572), (344, 5636522), (376, 5156818), (488, 3973286), (688, 2818261), (752, 2578409), (976, 1986643), (983, 1972496), (1966, 986248), (2021, 959408), (2623, 739216), (2867, 676304), (3932, 493124), (4042, 479704), (5246, 369608), (5734, 338152), (7864, 246562), (8084, 239852), (10492, 184804), (11468, 169076), (15728, 123281), (16168, 119926), (20984, 92402), (22936, 84538), (32336, 59963), (41968, 46201), (42269, 45872)]