87831828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4909}}^1$

素因数の和:4997

約数の個数: 72

約数和(自身を含む): 257362560

約数和(自身を除く): 169530732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4473, 4909, 5964, 8946, 9818, 14727, 17892, 19636, 29454, 34363, 44181, 58908, 68726, 88362, 103089, 137452, 176724, 206178, 309267, 348539, 412356, 618534, 697078, 1045617, 1237068, 1394156, 2091234, 2439773, 3136851, 4182468, 4879546, 6273702, 7319319, 9759092, 12547404, 14638638, 21957957, 29277276, 43915914, 87831828]

約数ペア:

[(1, 87831828), (2, 43915914), (3, 29277276), (4, 21957957), (6, 14638638), (7, 12547404), (9, 9759092), (12, 7319319), (14, 6273702), (18, 4879546), (21, 4182468), (28, 3136851), (36, 2439773), (42, 2091234), (63, 1394156), (71, 1237068), (84, 1045617), (126, 697078), (142, 618534), (213, 412356), (252, 348539), (284, 309267), (426, 206178), (497, 176724), (639, 137452), (852, 103089), (994, 88362), (1278, 68726), (1491, 58908), (1988, 44181), (2556, 34363), (2982, 29454), (4473, 19636), (4909, 17892), (5964, 14727), (8946, 9818)]