199901888

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5303}}^1$

素因数の和:5365

約数の個数: 56

約数和(自身を含む): 431109120

約数和(自身を除く): 231207232

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 4712, 5303, 9424, 10606, 18848, 21212, 37696, 42424, 84848, 100757, 164393, 169696, 201514, 328786, 339392, 403028, 657572, 806056, 1315144, 1612112, 2630288, 3123467, 3224224, 5260576, 6246934, 6448448, 10521152, 12493868, 24987736, 49975472, 99950944, 199901888]

約数ペア:

[(1, 199901888), (2, 99950944), (4, 49975472), (8, 24987736), (16, 12493868), (19, 10521152), (31, 6448448), (32, 6246934), (38, 5260576), (62, 3224224), (64, 3123467), (76, 2630288), (124, 1612112), (152, 1315144), (248, 806056), (304, 657572), (496, 403028), (589, 339392), (608, 328786), (992, 201514), (1178, 169696), (1216, 164393), (1984, 100757), (2356, 84848), (4712, 42424), (5303, 37696), (9424, 21212), (10606, 18848)]