1999141144

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8053}}^1$

素因数の和:8121

約数の個数: 128

約数和(自身を含む): 5195796480

約数和(自身を除く): 3196655336

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 31, 44, 52, 56, 62, 77, 88, 91, 104, 124, 143, 154, 182, 217, 248, 286, 308, 341, 364, 403, 434, 572, 616, 682, 728, 806, 868, 1001, 1144, 1364, 1612, 1736, 2002, 2387, 2728, 2821, 3224, 4004, 4433, 4774, 5642, 8008, 8053, 8866, 9548, 11284, 16106, 17732, 19096, 22568, 31031, 32212, 35464, 56371, 62062, 64424, 88583, 104689, 112742, 124124, 177166, 209378, 225484, 248248, 249643, 354332, 418756, 450968, 499286, 620081, 708664, 732823, 837512, 998572, 1151579, 1240162, 1465646, 1747501, 1997144, 2303158, 2480324, 2746073, 2931292, 3245359, 3495002, 4606316, 4960648, 5492146, 5862584, 6490718, 6990004, 8061053, 9212632, 10984292, 12981436, 13980008, 16122106, 19222511, 21968584, 22717513, 25962872, 32244212, 35698949, 38445022, 45435026, 64488424, 71397898, 76890044, 90870052, 142795796, 153780088, 181740104, 249892643, 285591592, 499785286, 999570572, 1999141144]

約数ペア:

[(1, 1999141144), (2, 999570572), (4, 499785286), (7, 285591592), (8, 249892643), (11, 181740104), (13, 153780088), (14, 142795796), (22, 90870052), (26, 76890044), (28, 71397898), (31, 64488424), (44, 45435026), (52, 38445022), (56, 35698949), (62, 32244212), (77, 25962872), (88, 22717513), (91, 21968584), (104, 19222511), (124, 16122106), (143, 13980008), (154, 12981436), (182, 10984292), (217, 9212632), (248, 8061053), (286, 6990004), (308, 6490718), (341, 5862584), (364, 5492146), (403, 4960648), (434, 4606316), (572, 3495002), (616, 3245359), (682, 2931292), (728, 2746073), (806, 2480324), (868, 2303158), (1001, 1997144), (1144, 1747501), (1364, 1465646), (1612, 1240162), (1736, 1151579), (2002, 998572), (2387, 837512), (2728, 732823), (2821, 708664), (3224, 620081), (4004, 499286), (4433, 450968), (4774, 418756), (5642, 354332), (8008, 249643), (8053, 248248), (8866, 225484), (9548, 209378), (11284, 177166), (16106, 124124), (17732, 112742), (19096, 104689), (22568, 88583), (31031, 64424), (32212, 62062), (35464, 56371)]